Changelog
v1.87.0New tools and improvements, newest first.
5 new toolsnumbers, random generators
- Shakespearean insult generatorRandom generatorsGenerate witty Shakespearean-style insults from three word banks, with an optional plain-English translation.
- Moon phase calculatorNumbersFind the moon's phase, illumination and age for any date, plus the nearest new and full moons.
- Biorhythm calculatorNumbersChart your physical, emotional and intellectual cycles from your birth date.
- Life progress calculatorNumbersSee how much of your life, this year, month, week and day has already passed, as text progress bars.
- Tarot card generatorRandom generatorsDraw 1, 3 or 5 random tarot cards with upright and reversed meanings.
An example for every tool
- Every tool with an input now has an Example button that fills in a real sample, around 170 more than before
- On two-panel tools such as Text diff, Example fills both panels, and leaves alone anything you already typed
4 new toolsdeveloper tools, encoding & conversion, random generators
- CSS line-clamp generatorDeveloper toolsGenerate a CSS rule that truncates text after a set number of lines, with an ellipsis or a fade.
- Keyboard shortcut converterDeveloper toolsConvert keyboard shortcuts between macOS and Windows, with symbol or word notation.
- Brainfuck encoderEncoding & conversionTurn text into a Brainfuck program that prints it, or run a Brainfuck program and see its output.
- Couple name combinerRandom generatorsBlend two names into pronounceable couple-name or ship-name variants.
4 new toolstext formatting, random generators, text manipulation
- Heading case consistency checkerText formattingCheck every line as a heading against sentence, title or lowercase style and get a fixed suggestion.
- Job posting skill extractorText manipulationPull the technologies, skills, languages and certifications out of a job ad.
- Out of office reply generatorRandom generatorsBuild an out-of-office auto-reply with your dates, a backup contact and an optional second language.
- Meeting minutes formatterText formattingTurn raw meeting notes into structured minutes with attendees, agenda, decisions and action items.
3 new toolsencoding & conversion, numbers, random generators
- Emoji cipherEncoding & conversionTurn text into a string of emoji and back again, with an optional password.
- Numerology calculatorNumbersTurn a name and birth date into an expression, soul urge, personality and life path number.
- Name compatibility calculatorRandom generatorsScore how well two names match, with the working shown step by step.
6 new toolsstylish text, developer tools, numbers and more
- Unit price comparatorNumbersCompare products sold in different pack sizes by their true price per unit.
- Zod schema to TypeScript typeDeveloper toolsConvert a Zod schema definition into its matching TypeScript interface or type.
- UwU translatorStylish textTurn text into UwU-speak, with stutters, nasal sounds and cute faces.
- Wingdings symbol translatorStylish textTurn letters and numbers into Wingdings-style Unicode symbols, and back again.
- Yoda speak translatorStylish textRewrite sentences in Yoda’s object-first word order, with optional filler words.
- Band and startup name generatorRandom generatorsGenerate band, startup or product names from real word patterns, with a length and pronounceability guess for each.
3 new toolsdeveloper tools, numbers, random generators
- TDEE and macro calculatorNumbersCalculate calorie needs and a protein/fat/carb split from body stats and activity level.
- TypeScript to JSDoc commentsDeveloper toolsTurn TypeScript function and interface types into JSDoc comments so the types survive plain JavaScript.
- SVG background pattern generatorRandom generatorsGenerate a seamless SVG background pattern — dots, grid, stripes, waves, squares, hexagons or topography — as SVG, CSS or a Tailwind class.
3 new toolsnumbers, developer tools
- SQL schema to TypeORM entityDeveloper toolsTurn CREATE TABLE statements into TypeORM entity classes with decorators and relations.
- Body fat percentage calculatorNumbersEstimate body fat percentage and fat/lean mass from circumferences, BMI or skinfolds.
- Subscription cost calculatorNumbersTurn a list of subscriptions into monthly and annual totals, sorted by cost.
4 new toolsnumbers, developer tools
- Semver bump calculatorDeveloper toolsCalculate the next semantic version from a current version and a chosen bump type.
- Shipping cost calculatorNumbersPrice a list of shipments against a weight-and-zone rate card, with volumetric weight and surcharges.
- Shoe size converterNumbersConvert shoe sizes between EU, UK, US, Japan and China, with the matching foot length.
- Spaced repetition plannerNumbersTurn a list of items into concrete review dates using a spaced-repetition interval sequence.
3 new toolsbasic tools, numbers
- Hourly to annual salary converterNumbersConvert an hourly, daily, weekly, monthly or annual rate into all the others.
- Resume and job ad matcherBasic toolsCompare a resume against a job ad and see which keywords and skills are missing.
- Responsive search ad combination previewBasic toolsPreview how a responsive search ad system could combine your headlines and descriptions, with limit and duplicate-word checks.
8 new toolsnumbers, random generators, developer tools
- Multiple-choice quiz generatorRandom generatorsTurn any block of text into a multiple-choice quiz with an answer key.
- Postman collection to curlDeveloper toolsTurn an exported Postman collection into ready-to-run curl commands.
- Marketplace product title generatorRandom generatorsBuild marketplace-ready product titles from attribute lists, checked against each site’s character limit.
- Reorder point and safety stock calculatorNumbersFind when to reorder stock, how much safety stock to hold, and how many days of inventory remain.
- Product variant and SKU generatorRandom generatorsGenerate every variant combination from your property axes and build a SKU for each one.
- Dog and cat age calculatorNumbersConvert a dog’s or cat’s age into human years, with a life stage for each result.
- Freelance hourly rate calculatorNumbersTurn a desired take-home income into a minimum and recommended hourly rate.
- Playback speed time calculatorNumbersWork out real listening time, time saved and a finish date at any playback speed.
6 new toolsnumbers, developer tools
- Fuel cost calculatorNumbersWork out fuel used and total cost for one trip or a whole list of routes.
- Inflation and purchasing power calculatorNumbersSee how inflation changes what an amount of money is really worth, year by year.
- JSON to Mongoose schemaDeveloper toolsTurn a JSON sample into a ready-to-use Mongoose schema and model.
- Kubernetes requests and limits calculatorDeveloper toolsTurn observed CPU and memory usage into sized requests, limits and a cluster node estimate.
- Heart rate zone calculatorNumbersTurn your age, resting heart rate or measured max into five training zones and their purpose.
- Menstrual cycle calculatorNumbersPredict your next periods, ovulation and fertile window from your cycle history.
12 new toolsdeveloper tools, numbers, basic tools and more
- XML to CSVDeveloper toolsFlatten a repeating XML element into a CSV table with a header row.
- YAML to TOMLDeveloper toolsConvert YAML to TOML, with tables for nested maps and arrays of tables for lists of objects.
- Zodiac sign finderNumbersFind the zodiac sign, element, quality and ruling planet for any date of birth.
- British and American spelling converterText cleaningConvert English text between British and American spelling, with a list of every change made.
- CSS filter generatorDeveloper toolsBuild a CSS filter or backdrop-filter declaration from visual controls.
- CSS triangle and arrow generatorDeveloper toolsTurn a direction, size and color into a CSS rule that draws a triangle or arrow — no image needed.
- CSS media query generatorDeveloper toolsGenerate mobile-first or desktop-first CSS media query blocks from Bootstrap, Tailwind or custom breakpoints.
- CSS scrollbar style generatorDeveloper toolsGenerate custom ::-webkit-scrollbar and scrollbar-width/scrollbar-color CSS rules.
- Ad claim and superlative analyzerBasic toolsFlag superlatives, absolute claims and risky promises in ad copy, with a safer alternative for each.
- Amazon FBA fee calculatorNumbersEstimate Amazon referral, fulfillment and storage fees and your net FBA profit.
- Blood alcohol content calculatorNumbersEstimate blood alcohol level and time to sober up from a list of drinks.
- Crypto profit and loss calculatorNumbersWork out realized and unrealized crypto gains from a list of trades, with FIFO, LIFO or average cost.
4 new toolsdeveloper tools, basic tools
- JSON to Swift Codable structDeveloper toolsTurn a JSON sample into a Swift struct that conforms to Codable.
- JSON to PHP classDeveloper toolsTurn a JSON sample into a typed PHP class with a constructor, fromArray and toArray.
- OpenAPI to Markdown docsDeveloper toolsTurn an OpenAPI or Swagger document into readable Markdown API reference docs.
- Keyword cannibalization checkerBasic toolsFind keywords that several of your pages compete for and see which page to keep.
7 new toolsdeveloper tools, random generators, text formatting
- JSON to Kotlin data classDeveloper toolsTurn a JSON sample into a ready-to-use Kotlin data class.
- JSON to Dart classDeveloper toolsTurn a JSON sample into a Dart class with fromJson, toJson and nested models.
- Glassmorphism CSS generatorDeveloper toolsGenerate CSS for frosted-glass panels or soft neumorphic surfaces from a few sliders.
- Git command builderDeveloper toolsTurn a chosen git operation and a few fields into a ready-to-paste command, explained switch by switch.
- EAN-13 and UPC-A barcode generatorRandom generatorsTurn 11–13 digits into a scannable EAN-13, EAN-8 or UPC-A barcode, check digit included.
- Instagram line break generatorText formattingKeep paragraph spacing intact when you paste a caption into Instagram, TikTok or LinkedIn.
- Email signature generatorRandom generatorsBuild an HTML email signature from your name, role, contacts and links.
7 new toolsdeveloper tools, numbers
- CSS flexbox generatorDeveloper toolsBuild a flex container and its items visually, then copy the CSS, Tailwind classes or inline style.
- CSS keyframes generatorDeveloper toolsTurn percent;property:value steps into a @keyframes block and its animation shorthand.
- CSS easing and transition generatorDeveloper toolsBuild a CSS transition rule from a curve preset or custom cubic-bezier points, with a text graph of the motion.
- CSS border-radius generatorDeveloper toolsBuild a border-radius shorthand from per-corner values, with elliptical corners and a Tailwind equivalent.
- CSS text-shadow generatorDeveloper toolsBuild a layered CSS text-shadow value with live presets for neon, embossed, 3D and outline text.
- Clothing size converterNumbersConvert clothing sizes between EU, UK, US, IT, FR and international letter sizes.
- Due date calculatorNumbersEstimate a pregnancy due date, current week and trimester milestones.
3 new toolsnumbers, basic tools
- Trial to paid conversion calculatorNumbersTurn visits, signups, activations and paying customers into step-by-step and overall conversion rates.
- TAM, SAM and SOM calculatorNumbersCalculate total, serviceable and obtainable market size from customer counts or a segment list.
- Anchor text distribution analyzerBasic toolsClassify anchor text by type and flag risky exact-match concentration across your link list.
10 new toolsnumbers
- Financial independence (FIRE) calculatorNumbersWork out your FIRE number and how many years of saving get you there.
- Emergency fund calculatorNumbersWork out the emergency fund you need from a list of expenses, compare it to your savings, and see when you will reach it.
- Solar payback calculatorNumbersWork out how many years a solar installation takes to pay for itself, plus its lifetime savings and return.
- Zakat calculatorNumbersSum your assets and debts, compare net worth to the nisab threshold and work out the zakat due.
- Sales commission calculatorNumbersCalculate sales commission per rep from seller;amount rows, with flat or tiered rates, thresholds and caps.
- CAC payback period calculatorNumbersWork out how many months it takes a marketing channel to earn back what it cost to acquire a customer.
- Rule of 40 calculatorNumbersScore revenue growth plus profit margin against the SaaS rule of 40, and see how far each company or period is from the bar.
- SaaS quick ratio calculatorNumbersTurn new, expansion, churned and downgraded MRR into a quick ratio, net new MRR and a plain-language verdict.
- Equity dilution calculatorNumbersModel a funding round and see the new ownership split, price per share and dilution for every owner.
- Hijri and Gregorian date converterNumbersConvert dates between the Islamic Hijri calendar and the Gregorian calendar, one per line.
6 new toolsnumbers
- Kinetic energy and momentum calculatorNumbersCalculate kinetic energy and momentum from mass and velocity, plus work and power.
- Wavelength and frequency calculatorNumbersSolve for wavelength, frequency or wave speed from the other two, with an electromagnetic band lookup.
- Employer payroll cost calculatorNumbersTurn gross salaries into the full cost of employing your team, with an employer/employee contribution breakdown.
- Dividend yield calculatorNumbersTurn a list of holdings into annual dividend income, yield on cost and yield on current price.
- Attendance percentage calculatorNumbersTurn attended and total hours into an attendance percentage, plus how many hours you can still miss.
- Carbon footprint calculatorNumbersEstimate the CO2 equivalent emissions of your household activities from a simple list.
6 new toolsnumbers
- Sleep cycle calculatorNumbersWork out bedtimes or wake-up times that line up with full 90-minute sleep cycles.
- Voltage drop calculatorNumbersCalculate cable voltage drop, end voltage and power loss for one or many circuits.
- Kinematics calculatorNumbersSolve uniformly accelerated motion — give any three of v0, v, a, t, s and get the rest.
- Projectile motion calculatorNumbersCalculate the range, max height, flight time and impact speed of a launched projectile.
- Free fall calculatorNumbersCalculate drop height, fall time, impact velocity and energy for a falling object.
- Density, mass and volume calculatorNumbersEnter any two of density, mass and volume and get the third, with the formula used.
8 new toolsnumbers, developer tools
- Burn rate and runway calculatorNumbersCalculate startup burn rate, cash runway and depletion date from your costs and revenue.
- LTV to CAC ratio calculatorNumbersTurn revenue, margin and churn into customer lifetime value and the LTV:CAC ratio.
- Churn and retention calculatorNumbersTurn customer counts and revenue into churn rate, retention rate, NRR and GRR.
- MRR and ARR calculatorNumbersTurn a list of subscriptions into MRR, ARR and a per-customer revenue breakdown.
- Ideal body weight calculatorNumbersEstimate ideal body weight from height and gender using four medical formulas, plus a healthy BMI range.
- Final exam grade calculatorNumbersWork out the score you need on a final exam to reach a target grade.
- GPU compute cost calculatorDeveloper toolsCalculate GPU run costs and compare configurations side by side.
- Series and parallel resistance calculatorNumbersCombine resistors, capacitors or inductors in series, parallel or mixed networks and see the working.
11 new toolsnumbers, developer tools
- Invoice calculatorNumbersTurn a list of invoice line items into net, VAT and gross totals, ready to send.
- Right triangle calculatorNumbersSolve a right triangle from any two known sides or angles.
- Water intake calculatorNumbersEstimate your recommended daily water intake and spread it into a drinking schedule.
- Download time calculatorDeveloper toolsEstimate how long a list of files takes to download at a given connection speed.
- Discount calculatorNumbersApply a discount to a whole price list at once, or work out what percentage a sale price represents.
- Area and perimeter calculatorNumbersCalculate the area and perimeter of squares, rectangles, circles, triangles and more.
- CAGR calculatorNumbersCalculate compound annual growth rate, total growth and time to double from a start and end value or a series of numbers.
- Bandwidth calculatorDeveloper toolsEstimate monthly data transfer and the Mbps a site or app needs to serve it.
- CODEOWNERS validatorDeveloper toolsCheck a CODEOWNERS file for invalid patterns, missing owners and rules that can never take effect.
- Cloud storage cost calculatorDeveloper toolsEstimate monthly and annual cloud storage, transfer and operation costs from a bucket list.
- Break-even calculatorNumbersFind the sales volume where revenue covers costs, from price, variable cost and fixed costs.
3 new toolsdeveloper tools, encoding & conversion, numbers
- Resistor color code calculatorEncoding & conversionDecode resistor color bands into ohms, or generate the bands for a target value.
- Margin and markup calculatorNumbersWork out gross profit, margin and markup for a whole price list at once.
- SLA uptime calculatorDeveloper toolsTurn an SLA target into an allowed-downtime budget, or an incident log into actual uptime.
5 new toolsnumbers, basic tools
- Stopwatch lap calculatorNumbersTurn a list of recorded lap times into a full breakdown with splits, deltas and the fastest and slowest lap.
- Pomodoro plannerNumbersTurn work-block, break and start-time settings into a full pomodoro session schedule.
- Typing speed scorerBasic toolsCompare a retyped passage against the original and get WPM, CPM, accuracy and a list of typos.
- GPA calculatorNumbersCalculate a weighted GPA and cumulative CGPA from a list of subjects, credits and grades.
- Cooking measurement converterNumbersConvert recipe ingredients between grams, milliliters, cups, spoons, ounces and pounds.
9 new toolsnumbers, random generators, developer tools
- Fake data generatorRandom generatorsGenerate a table of fictional test data — names, emails, dates, prices and more — as CSV, JSON, SQL or Markdown.
- Placeholder image generatorDeveloper toolsGenerate a placeholder SVG image with custom size, colors and label — as SVG, data: URI or an <img> tag.
- Random quote generatorRandom generatorsPull a random public-domain quote, with author and year, from a built-in collection.
- Work hours calculatorNumbersTurn a list of start–end shifts into worked hours per line and in total.
- Savings calculatorNumbersProject the future value of regular savings with compound interest, tax and inflation.
- BMI calculatorNumbersCalculate body mass index from height and weight and see its WHO weight category.
- Currency converterNumbersConvert amounts between currencies using a built-in reference rate table or a rate you enter yourself.
- Countdown timerNumbersCount down the time remaining to one or more target dates, updated live every second.
- Metronome tempo calculatorNumbersTurn a BPM tempo and time signature into beat length, bar length and song duration.
3 new toolsdeveloper tools
- rsync command builderDeveloper toolsAssemble a ready-to-paste rsync command from source, destination and transfer options.
- PlantUML to MermaidDeveloper toolsConvert PlantUML diagram source to Mermaid syntax.
- YAML anchor expanderDeveloper toolsReplace YAML anchors, aliases and merge keys with the full content they point to.
6 new toolsrandom generators, developer tools, encoding & conversion and more
- Kubernetes secret encoderEncoding & conversionConvert Kubernetes Secret values between base64 data and readable stringData.
- Software application schema generatorRandom generatorsBuild a schema.org SoftwareApplication JSON-LD block from your app’s details.
- Review schema generatorRandom generatorsBuild schema.org Review JSON-LD markup for a product, book, movie, business, course or app.
- Markdown badge generatorRandom generatorsBuild shields.io badges for a README and wrap them in Markdown, HTML or reStructuredText.
- ffmpeg command builderDeveloper toolsAssemble a ready-to-paste ffmpeg command from simple options — no flags to memorize.
- Age calculatorNumbersCalculate exact age in years, months and days from a date of birth.
4 new toolsdeveloper tools, random generators, text cleaning and more
- Name splitterText cleaningSplit full names into title, first, middle, last and suffix.
- AsciiDoc to Markdown converterText formattingConvert AsciiDoc syntax to Markdown, and back again, right in your browser.
- Organization schema generatorRandom generatorsBuild schema.org Organization JSON-LD markup from your company details.
- Bracket balance checkerDeveloper toolsFind unpaired brackets, quotes, backticks and HTML/XML tags in your text.
5 new toolsrandom generators, basic tools, developer tools
- Text summarizerBasic toolsExtract the most important sentences from a text into a short summary.
- YouTube timestamp link generatorRandom generatorsCreate a YouTube link or embed code that starts playback at an exact time.
- SVG minifierDeveloper toolsShrink SVG markup by stripping XML cruft, comments and editor metadata.
- Course schema generatorRandom generatorsBuild a schema.org Course JSON-LD block from a course name, provider, dates and pricing.
- Book schema generatorRandom generatorsBuild a schema.org Book JSON-LD block from a title, author, ISBN and other details.
4 new toolsbasic tools, developer tools, numbers
- Soundex and Metaphone generatorBasic toolsTurn words into phonetic codes to find names that sound alike.
- Scientific notation converterNumbersConvert numbers between decimal, scientific, engineering and SI-prefixed notation.
- SSH public key parserDeveloper toolsInspect authorized_keys entries: algorithm, key length, fingerprints and restrictions.
- Haiku syllable checkerBasic toolsCount syllables per line and check a poem against the haiku 5-7-5 pattern, tanka, or your own scheme.
1 new toolencoding & conversion
1 new tooltext manipulation
4 new toolsdeveloper tools, lists & combinations, text formatting and more
- Proper noun extractorText manipulationPull out likely names, places and brands from a block of text.
- Non-breaking space inserterText formattingReplace regular spaces with non-breaking ones at the typographic spots where a line break would look wrong.
- Keyword grouperLists & combinationsCluster a list of keywords by a shared word, so related search terms sit together.
- Port number lookupDeveloper toolsLook up the service, protocol and description for a TCP/UDP port number, or find the port for a service name.
4 new toolsdeveloper tools
- JS object to JSONDeveloper toolsConvert a JavaScript object literal into strict, valid JSON.
- JSON to Markdown tableDeveloper toolsTurn an array of JSON objects into a Markdown table, or convert one back to JSON.
- JSON key case converterDeveloper toolsRename every key in a JSON object to camelCase, snake_case, kebab-case, PascalCase or SCREAMING_SNAKE_CASE.
- HTML minifierDeveloper toolsShrink HTML by stripping comments, extra whitespace and empty attributes.
9 new toolsdeveloper tools, random generators, encoding & conversion and more
- PKCE verifier and challenge generatorRandom generatorsGenerate a cryptographically random code_verifier and its code_challenge for OAuth 2.0 PKCE.
- systemd unit file generatorDeveloper toolsBuild a valid systemd .service, .timer, .socket or .mount file from a few fields.
- Magnet link parserDeveloper toolsBreak a magnet link into its parts, or build one from a hash, name and trackers.
- ASCII tree generatorText formattingTurn an indented list of files and folders into an ASCII or Unicode tree diagram.
- Gray code converterEncoding & conversionConvert numbers to Gray (reflected binary) code and back, or generate a full Gray code table.
- Google search operator builderRandom generatorsFill in fields for exact phrases, site:, filetype: and more, and get a ready-to-run search query.
- Hashtag generatorRandom generatorsTurn a list of phrases or the most-used words in your text into ready-to-post hashtags.
- Big number calculatorNumbersEvaluate arithmetic on integers of any size, right in your browser.
- CRC checksum calculatorDeveloper toolsCalculate CRC-8, CRC-16, CRC-32, CRC-32C and Adler-32 checksums from text or hex bytes.
7 new toolsdeveloper tools, numbers, random generators and more
- SSML markup generatorText formattingWrap plain text in valid SSML tags for text-to-speech: pauses, emphasis, pronunciation and pacing.
- JobPosting schema generatorRandom generatorsTurn job-listing details into valid schema.org JobPosting JSON-LD.
- BIC/SWIFT code validatorNumbersCheck that a BIC/SWIFT code is well-formed and break it into bank, country, location and branch.
- ISIN validatorNumbersCheck whether an ISIN’s country prefix and check digit are valid.
- OpenSSL command builderDeveloper toolsAssemble a ready-to-paste openssl command line without running anything.
- NMEA sentence parserDeveloper toolsDecode NMEA 0183 GPS sentences into readable, named fields.
- Stack trace formatterDeveloper toolsClean up and re-indent a pasted stack trace so the frames that matter stand out.
4 new toolsdeveloper tools, numbers
- Meeting cost calculatorNumbersCalculate the true cost of a meeting from attendee count, hourly rates and duration.
- ASCII bar chart generatorNumbersTurn label/value pairs into a monospace bar chart made of text characters.
- Slack Block Kit builderDeveloper toolsTurn a plain text outline into ready-to-send Slack Block Kit JSON.
- WHOIS record parserDeveloper toolsExtract registrar, dates, nameservers and status codes from a raw WHOIS response.
3 new toolsdeveloper tools, numbers, random generators
- VideoObject schema generatorRandom generatorsTurn video details into a valid schema.org VideoObject JSON-LD block for rich results.
- IMEI validatorNumbersCheck an IMEI's Luhn checksum and split it into TAC, serial number and check digit.
- ANSI color code generatorDeveloper toolsWrap text in ANSI escape codes to color and style it in a terminal.
4 new toolsdeveloper tools, encoding & conversion, lists & combinations
- Markdown to LaTeXEncoding & conversionConvert Markdown into LaTeX source ready to compile.
- Anki flashcard TSV generatorLists & combinationsTurn a list of notes into a tab-separated file ready to import into Anki.
- DNS zone file generatorDeveloper toolsTurn a plain list of DNS records into a BIND-style zone file.
- PO to JSON converterDeveloper toolsConvert a gettext .po translation catalogue to JSON, and back again.
8 new toolsdeveloper tools, encoding & conversion, numbers and more
- Time zone overlap finderNumbersFind the hours when everyone across a list of time zones is in working hours.
- llms.txt generatorDeveloper toolsTurn a list of pages into an llms.txt file that large language models can read.
- SQL schema to DBMLDeveloper toolsTurn CREATE TABLE statements into a DBML diagram definition.
- Markdown callout converterText formattingConvert callout and admonition blocks between GitHub, Obsidian, Docusaurus and MkDocs syntax.
- UUencode / UUdecodeEncoding & conversionConvert text or binary data to a uuencoded ASCII block, or decode one back.
- Discord timestamp generatorRandom generatorsBuild Discord’s dynamic <t:...> timestamp markup, shown in each reader’s own time zone.
- ads.txt validatorDeveloper toolsCheck an ads.txt file for syntax errors, duplicate entries and missing fields.
- Apple plist to JSONDeveloper toolsConvert an Apple XML property list to JSON, and JSON back to a plist.
3 new toolsdeveloper tools
- JWT generatorDeveloper toolsBuild and sign a JSON Web Token with HMAC, right in your browser.
- Color blindness simulatorDeveloper toolsSee how a color looks to someone with color vision deficiency.
- DMARC report analyzerDeveloper toolsTurn a DMARC aggregate report XML into a readable table of senders, results and policy.
7 new toolsdeveloper tools, random generators, text formatting
- Text to presentation slidesText formattingSplit plain text into Markdown slides for Marp or reveal.js.
- Text calendar generatorRandom generatorsPrint a month or a full year as a plain-text calendar, aligned into columns.
- TypeScript type to JSON SchemaDeveloper toolsConvert a TypeScript interface or type alias into JSON Schema.
- License file generatorRandom generatorsGenerate the full text of an open-source license with your year and name filled in.
- Excel formula translatorDeveloper toolsTranslate Excel formulas between English and localized function names.
- npm ⇄ yarn ⇄ pnpm converterDeveloper toolsConvert an npm, yarn, pnpm, bun or deno command to the equivalent command in another package manager.
- CSS clamp() generatorDeveloper toolsGenerate a fluid CSS clamp() value that scales smoothly between two viewport widths.
Embed any tool, side by side by default
- Input and output now sit side by side on a wide screen — the Display menu switches back to stacked
- New embed builder: pick a tool, a theme, a layout and a size, copy the <iframe>. It remembers what you picked
- /tools.json lists every tool and its options, so scripts and AI assistants can use the site without scraping it
- Ten more comparisons with other text-tool sites, in a feature table that scrolls with its first columns pinned
4 new toolstext formatting, developer tools, numbers
- Subtitles to TTMLText formattingConvert SRT and VTT subtitles to TTML (DFXP) for broadcast and streaming platforms, or back again.
- Terraform plan summaryDeveloper toolsTurn a terraform plan output into a clear summary of what gets created, changed, replaced or destroyed.
- Soft hyphenationText formattingInsert invisible break points into long words so browsers can wrap them cleanly.
- Grade calculatorNumbersTurn a list of students and points into percentages and grades on your own scale.
3 new toolstext manipulation, text cleaning
- Question extractorText manipulationPull every question out of a block of text and list it separately.
- Definition and abbreviation extractorText manipulationBuild a glossary automatically by finding where your text defines terms and abbreviations.
- Formality consistency checkerText cleaningFind places where formal and informal address switch inconsistently in your text.
9 new toolsdeveloper tools, encoding & conversion, random generators and more
- Runic text (Elder Futhark)Stylish textConvert text to runic script and back, in three historical alphabets.
- Semaphore flag alphabetEncoding & conversionConvert text to the flag semaphore alphabet and back to letters.
- RPG encounter generatorRandom generatorsGenerate random tabletop encounters — who shows up, how many, and why.
- Cron to systemd timerDeveloper toolsTurn a cron expression into a ready-to-use systemd .timer and .service unit pair.
- Webpack stats analyzerDeveloper toolsFind which packages and modules take up the most space in a webpack build.
- SQL schema diffDeveloper toolsCompare two CREATE TABLE schemas and generate the ALTER TABLE migration between them.
- SQL dialect converterDeveloper toolsRewrite SQL between PostgreSQL, MySQL, SQLite and SQL Server syntax.
- Lockfile inspectorDeveloper toolsList every package in a lock file with its exact version and whether it's a direct or transitive dependency.
- Citation and bibliography checkerText manipulationCompare the citations used in your text against your reference list and spot what does not line up.
3 new toolsencoding & conversion, random generators, text formatting
- Fountain screenplay formatterText formattingFormat a pasted screenplay into clean Fountain markup, with scene headings, character cues and dialogue.
- LaTeX escapeEncoding & conversionEscape or unescape the characters LaTeX reserves for markup, so plain text compiles cleanly.
- Crossword generatorRandom generatorsTurn a list of words and clues into an interlocking crossword puzzle with a numbered legend.
26 new toolsdeveloper tools, encoding & conversion, numbers and more
- Text sparklineStylish textDraw a miniature character bar chart from a list of numbers.
- VIN decoderEncoding & conversionDecode a vehicle identification number into its country, manufacturer, model year and check digit.
- Campaign cost calculatorNumbersTurn a list of ad campaigns into CPC, CPM, CTR, CPA, conversion rate, ROAS and margin, computed instantly in your browser.
- Recipe schema generatorDeveloper toolsTurn recipe details into a ready-to-paste Recipe JSON-LD block.
- Event schema generatorDeveloper toolsTurn event details into a schema.org Event JSON-LD block ready to paste into your page.
- CSS grid generatorDeveloper toolsTurn a text layout sketch into a real CSS grid with named areas.
- SQL table and column extractorDeveloper toolsList every table, join and column a SQL query reads, grouped by clause.
- HAR analyzerDeveloper toolsBreak down a HAR file into method, status, size and timing per network call.
- OpenAPI to Postman collectionDeveloper toolsConvert an OpenAPI or Swagger document into a ready-to-import Postman v2.1 collection.
- Dockerfile generatorDeveloper toolsBuild a production-ready Dockerfile for your language, with multi-stage builds and sane defaults.
- Regex from examplesDeveloper toolsTurn sample strings into a regular expression, and see which examples it matches.
- Glob to regex converterDeveloper toolsTurn glob patterns like *.js or **/*.test.ts into the matching regular expression.
- GraphQL SDL to TypeScript typesDeveloper toolsConvert a GraphQL schema into matching TypeScript types, interfaces and enums.
- SPF and DMARC record generatorDeveloper toolsBuild ready-to-paste SPF and DMARC DNS records from your senders and policy.
- JSON size analyzerDeveloper toolsSee exactly which keys and branches make a JSON document big.
- HAR to curl converterDeveloper toolsTurn every request in an exported HAR file into a runnable curl command.
- htaccess to Nginx converterDeveloper toolsConvert Apache .htaccess rules into an equivalent Nginx configuration.
- OpenAPI to TypeScript typesDeveloper toolsTurn an OpenAPI or Swagger document into TypeScript interfaces and types.
- Indented list to JSON treeDeveloper toolsTurn an indented or bulleted list into a nested JSON (or YAML) tree, and back again.
- security.txt validatorDeveloper toolsCheck a security.txt file against RFC 9116 and list what is missing, invalid or deprecated.
- SSH config generatorDeveloper toolsTurn a list of servers into ready-to-use Host blocks for ~/.ssh/config.
- CSV to Google Merchant XML feedDeveloper toolsConvert a product spreadsheet into an XML feed Google Merchant Center accepts.
- JUnit XML report summaryDeveloper toolsSummarize a JUnit XML test report: pass/fail/skip counts, durations and failure details.
- Protobuf schema to TypeScript typesDeveloper toolsTurn a Protobuf schema into matching TypeScript interfaces, enums and unions.
- Nginx config to CaddyfileDeveloper toolsConvert an Nginx server configuration to an equivalent Caddyfile.
- docker-compose to Kubernetes manifestDeveloper toolsConvert docker-compose services into Kubernetes Deployment and Service manifests.
14 new toolsnumbers, lists & combinations, text formatting and more
- BibTeX to citationsText formattingTurn pasted BibTeX entries into a formatted, ready-to-paste reference list.
- Multi-level outline numberingText formattingAdd hierarchical numbers like 1, 1.1 and 1.2 to an indented outline.
- Split document by headingsText formattingBreak a document into separate parts, starting a new one at every heading of the level you pick.
- Geohash encoder and decoderEncoding & conversionConvert latitude/longitude coordinates to a geohash string, or a geohash back to coordinates.
- Date sequence generatorRandom generatorsGenerate a list of dates between two dates at a fixed step.
- Fuzzy list matchLists & combinationsPair up items from two lists even when they differ by typos, spacing, or accents.
- CSV splitter by columnLists & combinationsSplit a CSV into separate tables grouped by the value of one column.
- CSV mergerLists & combinationsStack several CSV tables into one, reconciling different or reordered columns.
- A/B test significance calculatorNumbersCalculate conversion rates, lift and statistical significance across A/B test variants.
- VAT calculatorNumbersCalculate the net, VAT and gross amount for a whole list of prices at once.
- Loan payment calculatorNumbersCalculate the monthly payment and full amortization schedule for a loan.
- Weighted average calculatorNumbersCalculate a weighted average from a list of values and their weights.
- Bill splitterNumbersWork out who owes who from a shared list of expenses, with as few transfers as possible.
- CSS inliner for emailDeveloper toolsMove CSS from a style block into inline style attributes so it survives in email clients.
10 new toolsdeveloper tools
- Access log analyzerDeveloper toolsSummarize Apache and Nginx access logs into top paths, status codes, IPs and browsers.
- docker run to ComposeDeveloper toolsConvert a docker run command into a docker-compose.yml service, or the other way round.
- package.json dependency overviewDeveloper toolsSplit a package.json into production, dev, peer and optional dependencies with their version ranges.
- GitHub Actions workflow generatorDeveloper toolsAssemble a ready-to-use GitHub Actions workflow file from your triggers, language and steps.
- SQL CREATE TABLE to Prisma schemaDeveloper toolsConvert SQL CREATE TABLE statements into Prisma schema models.
- .env file diffDeveloper toolsCompare two .env files and list the variables that are missing or differ.
- .gitignore rule testerDeveloper toolsCheck which of your .gitignore rules ignores or allows each path, and why.
- Kubernetes manifest overviewDeveloper toolsSummarize the resources, images and settings in a Kubernetes YAML manifest.
- CSS color variable extractorDeveloper toolsFind every color in your CSS and turn it into reusable custom properties.
- Unused CSS selector finderDeveloper toolsCompare a stylesheet against a page of HTML and list the selectors that match nothing.
10 new toolstext cleaning, basic tools, numbers and more
- Language detectorBasic toolsEstimate which language a piece of text is written in, ranked by confidence.
- Reverse outlineBasic toolsTurn a draft into a list of its opening sentences, so its structure becomes visible.
- Keyboard layout fixerText cleaningTurn text typed with the wrong keyboard layout active back into what you meant to type.
- Glossary checkerText cleaningCheck text against a glossary of forbidden and recommended terms.
- Inclusive language checkerText cleaningScan text for outdated or exclusionary terms and get neutral alternatives.
- Chord transposerText manipulationShift guitar chords in a song to a different key without changing the lyrics.
- Subtitle generatorRandom generatorsTurn a plain-text transcript into a timed SRT or VTT subtitle file.
- SMPTE timecode converterNumbersConvert between SMPTE timecode, frame numbers and seconds at any broadcast frame rate.
- Recipe scalerNumbersScale ingredient quantities in a recipe up or down for a different number of servings.
- Translation QA checkerDeveloper toolsCompare an original text with its translation and flag errors that are wrong in any language.
23 new toolsdeveloper tools, lists & combinations, basic tools and more
- Regex explainerDeveloper toolsBreak a regular expression into plain-English steps, one piece at a time.
- Secret scannerDeveloper toolsScan text, logs or configs for AWS, GitHub, Slack and Stripe keys, private keys, JWTs and other leaked secrets.
- Changelog generatorDeveloper toolsTurn a pasted git log into a grouped, readable changelog.
- HTML accessibility checkerDeveloper toolsScan an HTML fragment for issues that block screen readers and keyboard users.
- Markdown linterDeveloper toolsFind broken links, skipped heading levels and unclosed code blocks in Markdown.
- SPF and DMARC checkerDeveloper toolsCheck a pasted SPF, DMARC or DKIM DNS record and explain what each part means.
- Email header analyzerDeveloper toolsTrace an email’s delivery path and check its SPF, DKIM and DMARC results.
- CSV profilerDeveloper toolsScan a CSV and get per-column type, missing values, unique counts and top values.
- Email subject line checkerBasic toolsCheck subject lines for length, mobile/desktop truncation and spam trigger words.
- SMS message counterBasic toolsCount how many characters and text messages your text takes up.
- Bionic readingStylish textBold the leading part of each word so your eyes move through text faster.
- Markdown to Slack or DiscordText formattingConvert Markdown formatting to Slack or Discord message syntax, and back.
- GPS coordinate converterEncoding & conversionConvert GPS coordinates between decimal degrees and degrees-minutes-seconds, for one pair or a whole list.
- Citation generatorRandom generatorsTurn source details into a formatted APA, MLA or Chicago citation.
- CSV group and sumLists & combinationsGroup CSV rows by one or more columns and sum, count or average the rest.
- CSV join by keyLists & combinationsJoin two CSV tables into one using a shared key column.
- CSV row filterLists & combinationsKeep only the CSV rows whose column values match a condition you set.
- Unit converterNumbersConvert values between length, mass, volume, area, speed, pressure and energy units.
- HCL to JSONDeveloper toolsConvert Terraform-style HCL configuration into equivalent JSON.
- CSP violation report parserDeveloper toolsTurn pasted CSP violation reports into a readable summary of which directives and sources are blocked.
- Log timestamp normalizerDeveloper toolsFind timestamps in pasted logs and rewrite them all in one format and timezone.
- CSS box-shadow generatorDeveloper toolsBuild a CSS box-shadow value from offset, blur, spread and color, with multiple layers and presets.
- X.509 certificate decoderDeveloper toolsDecode a PEM certificate and inspect its subject, issuer, validity, extensions and fingerprint.
6 new toolsdeveloper tools
- Unified diff analyzerDeveloper toolsSummarize a unified diff or .patch file: files changed, lines added and removed.
- Conventional commit builderDeveloper toolsCompose a Conventional Commits message from a type, scope and description, or check existing messages for problems.
- GraphQL formatterDeveloper toolsFormat or minify a GraphQL query, mutation, fragment or schema with consistent indentation.
- Front matter editorDeveloper toolsSplit, validate and reformat the YAML front matter of a Markdown document.
- Tailwind class sorterDeveloper toolsSort utility classes in class/className attributes into Tailwind’s recommended order.
- JSON Schema generatorDeveloper toolsGenerate a JSON Schema from a sample JSON document, including types, nested objects and formats.
7 new toolsdeveloper tools, numbers
- ASS/SSA to SRT converterDeveloper toolsConvert Advanced SubStation Alpha or SSA subtitles to plain SRT.
- JSON to GraphQL SDLDeveloper toolsTurn a JSON document into GraphQL types written in Schema Definition Language.
- OpenAPI endpoint listerDeveloper toolsList every endpoint from an OpenAPI or Swagger document as a readable table.
- Mermaid diagram generatorDeveloper toolsTurn an indented list into a Mermaid flowchart, hierarchy graph or mindmap definition.
- Markdown inline and reference linksDeveloper toolsConvert Markdown links and images between inline [text](url) and reference [text][1] style.
- Bilingual subtitle mergerDeveloper toolsCombine two subtitle files into one dual-language track, original above translation.
- ISO 8601 duration converterNumbersConvert ISO 8601 durations like PT1H30M to seconds or readable text, and back.
4 new toolsdeveloper tools, text cleaning
- Strip ANSI escape codesText cleaningRemove ANSI color and cursor-control codes from terminal output, leaving clean readable text.
- JSON to Rust structDeveloper toolsTurn a JSON document into Rust structs ready for serde.
- JSON to SQL CREATE TABLEDeveloper toolsTurn a JSON object or array of objects into a SQL CREATE TABLE statement.
- CSS specificity calculatorDeveloper toolsCalculate the specificity of CSS selectors and see which one wins.
14 new toolsdeveloper tools, random generators, encoding & conversion
- JSON to Java classDeveloper toolsTurn a JSON sample into Java classes, with nested types and generic lists inferred automatically.
- JSON to C# classDeveloper toolsTurn a JSON sample into ready-to-use C# classes.
- JSON to Protobuf schemaDeveloper toolsTurn a JSON sample into a Protocol Buffers .proto message definition.
- JSON Patch applierDeveloper toolsApply an RFC 6902 JSON Patch (or RFC 7396 merge patch) to a JSON document.
- Web app manifest generatorDeveloper toolsBuild a valid manifest.json for your progressive web app from name, icons, colors and display options.
- HAR file sanitizerDeveloper toolsStrip auth tokens, cookies and secrets from a HAR file before sharing it in a support ticket.
- File signature identifierDeveloper toolsIdentify a file's type from its raw header bytes using a magic-number database.
- Snowflake ID decoderDeveloper toolsBreak a 64-bit Snowflake ID into its timestamp, machine and sequence fields.
- ICS calendar parserDeveloper toolsTurn a pasted .ics calendar file into a readable list of events.
- Vigenere cipher solverEncoding & conversionRecover the key and decrypt Vigenere-enciphered text without knowing the key in advance.
- BIP39 mnemonic generatorRandom generatorsGenerate a valid BIP39 recovery phrase, or verify one you already have — entirely offline.
- Bingo card generatorRandom generatorsGenerate randomized bingo cards from your own list of items.
- Word search generatorRandom generatorsTurn a list of words into a word search puzzle, with an optional solution key.
- Acrostic generatorRandom generatorsTurn any word or name into a ready-to-fill acrostic poem skeleton, one line per letter.
13 new toolsdeveloper tools, numbers, lists & combinations and more
- Passive voice detectorBasic toolsFind passive-voice sentences in your text and see who or what performed the action.
- EU VAT number validatorNumbersCheck the format and check digit of European VAT numbers, per country.
- ISBN validatorNumbersCheck ISBN-10 and ISBN-13 checksums, convert between formats, and format with hyphens.
- EAN and UPC validatorNumbersCheck the check digit of EAN-13, EAN-8, UPC-A and UPC-E barcodes, or complete a missing one.
- Test card number generatorRandom generatorsGenerate fake payment card numbers with a valid Luhn checksum for testing forms.
- Sitemap parserDeveloper toolsTurn a sitemap.xml into a readable URL list and check it for common errors.
- Breadcrumb schema generatorDeveloper toolsTurn a list of page names and URLs into a BreadcrumbList JSON-LD block.
- HowTo schema generatorDeveloper toolsTurn a list of steps into a schema.org HowTo JSON-LD block for rich results.
- LocalBusiness schema generatorDeveloper toolsBuild a schema.org LocalBusiness JSON-LD block from your business details.
- Tournament bracket generatorLists & combinationsTurn a list of participants into a single-elimination bracket with byes handled automatically.
- Round-robin schedule generatorLists & combinationsBuild a schedule where every participant plays every other exactly once, split into fair rounds.
- Align text into columnsText formattingLine up separator-delimited text into neat columns by padding every cell to the widest one.
- Fixed-width column splitterText manipulationSplit lines with fixed-width fields into columns using widths or cut positions.
9 new toolsrandom generators, developer tools, basic tools and more
- Markdown table to CSVEncoding & conversionTurn a Markdown pipe table into CSV or JSON.
- Robots.txt testerDeveloper toolsCheck whether specific paths or URLs are allowed or blocked by a robots.txt file.
- Article schema generatorRandom generatorsBuild a schema.org Article JSON-LD block from headline, author, publisher and image fields.
- Product schema generatorRandom generatorsFill in product details and get a ready-to-paste Product JSON-LD block.
- CSV mail mergeText manipulationTurn a template and CSV rows into one personalized message per row.
- TOTP code generatorRandom generatorsGenerate time-based (TOTP) or counter-based (HOTP) one-time codes from a shared secret.
- Locale number formatterNumbersFormat a list of numbers as currency, percentages or units, following the rules of any language locale.
- Google Ads length checkerBasic toolsCheck headlines, descriptions and paths against Google Ads character limits before you upload them.
- Redirect rule generatorDeveloper toolsTurn a list of old-URL/new-URL pairs into ready-to-use redirect rules.
8 new toolsdeveloper tools, encoding & conversion
- Code string escaperEncoding & conversionTurn pasted text into a string literal for C, Python, SQL, shell and 16 other languages — and back.
- Log entity extractorDeveloper toolsPull every IP, domain, email, URL, path, timestamp, hash, UUID and MAC address out of a log in one pass.
- JSON to Go structDeveloper toolsTurn a JSON sample into Go struct definitions with inferred types and tags.
- JSON to Python dataclassDeveloper toolsTurn a JSON sample into typed Python classes — dataclass, Pydantic, TypedDict or NamedTuple.
- JSON to Zod schemaDeveloper toolsGenerate a Zod validation schema and TypeScript types from a JSON sample, with format and enum detection.
- XPath evaluatorDeveloper toolsRun an XPath 1.0 expression against pasted XML and see every match, its value and its path.
- NGINX config generatorDeveloper toolsBuilds a complete NGINX server block from your domain, TLS, proxy, caching and security-header options.
- Cron expression builderDeveloper toolsBuild a cron expression from simple options and see what it means and when it next runs.
9 new toolsnumbers, developer tools, text cleaning and more
- Homoglyph detectorText cleaningFind look-alike letters from other alphabets hiding in your text and fix or list them.
- CSV injection sanitizerText cleaningNeutralize CSV cells that a spreadsheet would run as a formula when the file is opened.
- Cyrillic transliteratorEncoding & conversionConvert Cyrillic or Greek text to Latin script using ISO 9, scientific, BGN/PCGN or Slovak transliteration rules.
- Bitwise calculatorNumbersRun AND, OR, XOR, NOT and bit shifts on two numbers and see the result bit by bit.
- Excel column converterNumbersConvert a spreadsheet column number to its letter, or a column letter back to its number.
- Business days calculatorNumbersCount business days between two dates, or add business days to a date, skipping weekends and holidays.
- Week number calculatorNumbersGet the ISO 8601 week number for any date, or the dates spanning a given week.
- Array to textDeveloper toolsParse a JavaScript, Python, PHP, JSON or SQL array literal and list its items as plain text.
- JavaScript formatterDeveloper toolsReformat JavaScript or TypeScript into consistent, readable code.
1 new tooldeveloper tools
10 new toolsdeveloper tools, encoding & conversion, random generators
- Unicode character inspectorEncoding & conversionBreak text into individual characters and see the code point, name, block, category and byte size of each.
- Emoji shortcode converterEncoding & conversionConvert between emoji shortcodes like :smile: and the emoji character itself.
- IEEE 754 converterEncoding & conversionConvert a decimal number to its IEEE 754 bit pattern, or bits back to a number.
- Two's complement converterEncoding & conversionConvert an integer to its two's complement bit pattern at a chosen width, or decode bits back to a number.
- EditorConfig generatorRandom generatorsGenerate a .editorconfig file that keeps indentation and line endings consistent across editors.
- HTTP header parserDeveloper toolsParse a pasted block of raw HTTP request or response headers into readable name/value pairs.
- Cookie parserDeveloper toolsBreak a Cookie or Set-Cookie header into individual cookies, values and attributes.
- HTTP status code lookupDeveloper toolsFind HTTP status codes in text or a log and see the name, class and meaning of each.
- SemVer sorter and comparatorDeveloper toolsSort a list of version numbers by semantic versioning precedence.
- MIME type lookupDeveloper toolsLook up the MIME type for a file extension, or the usual extensions for a MIME type.
8 new toolsdeveloper tools, basic tools
- Social media character limitsBasic toolsCheck your text against the character limits of X, LinkedIn, Instagram and more, at once.
- JSONL converterDeveloper toolsConvert between a JSON array of objects and JSONL / NDJSON, one object per line.
- YAML formatterDeveloper toolsValidate and reformat YAML, with clear line and column errors.
- Basic auth header generatorDeveloper toolsBuild or decode an HTTP Basic Authorization header from a username and password.
- Gitignore generatorDeveloper toolsBuild a .gitignore file from ready-made templates for languages, editors and operating systems.
- Regex escapeDeveloper toolsEscape the characters with special meaning in a regular expression, so text matches literally.
- Tracking parameter removerDeveloper toolsStrip UTM tags and other tracking parameters from a URL and get a clean link.
- JSONPath extractorDeveloper toolsPull matching values out of a JSON document with a JSONPath or JSON Pointer expression.
4 new toolsdeveloper tools, basic tools, text cleaning
- Rhyme scheme analyzerBasic toolsLabel each line's rhyme group (A, B, C…) and see the pattern at a glance.
- Non-ASCII line filterText cleaningKeep or remove every line that contains a character outside the standard ASCII range.
- JavaScript obfuscatorDeveloper toolsTurn JavaScript source into a hex-encoded eval(unescape(...)) snippet that hides it from a casual read.
- Code to SVG imageDeveloper toolsTurn a code snippet into a syntax-highlighted image with a window frame and gradient background.
5 new toolsdeveloper tools, random generators, text cleaning
- Profanity filterText cleaningCensor swear words and vulgar language in pasted text.
- Birth number generatorRandom generatorsGenerate fictional but mathematically valid Slovak/Czech birth numbers for testing.
- AI persona prompt generatorRandom generatorsAssemble a reusable system prompt that defines an AI persona from a few short fields.
- Meta tag checkerDeveloper toolsAudit the SEO and social meta tags in a page's HTML — no URL fetch, paste the source instead.
- JSON tree viewDeveloper toolsValidate JSON and render its structure as an indented tree so a large payload reads at a glance.
16 new toolsdeveloper tools, basic tools, random generators and more
- i18n key diffDeveloper toolsCompare two localization JSON files and list the translation keys missing from each.
- Kaomoji generatorStylish textGenerate random Japanese text emoticons from a built-in library of over 120 kaomoji, sorted into twelve moods.
- TOML to JSON converterDeveloper toolsConvert a TOML configuration document to JSON, right in your browser.
- Pirate speak translatorStylish textTurn everyday text into pirate speech in your own language, or back again.
- Birth number validatorNumbersCheck a Slovak or Czech birth number and see the date of birth, age and sex it encodes.
- Voice transcript cleanerText cleaningClean up raw speech-to-text transcripts by removing filler words, stutters and annotations.
- Baudot code translatorEncoding & conversionEncode text to 5-bit Baudot / ITA2 telegraph code and decode it back.
- SQL to JSONDeveloper toolsConvert SQL INSERT statements into a JSON array of objects.
- JSON Schema validatorDeveloper toolsCheck a JSON document against a JSON Schema and get a readable, line-by-line error report.
- Subtitle overlap fixerText manipulationFind and repair overlapping, invalid or too-short timecodes in SRT and WebVTT subtitle files.
- LRC lyrics generatorRandom generatorsTurn plain lyrics into a time-synced .lrc file, or strip an .lrc back to plain text.
- Cliche detectorBasic toolsScan your writing for clichés, filler words and empty corporate padding.
- Dialogue balance counterBasic toolsSee how dialogue is split between characters in a screenplay or script.
- Action word densityBasic toolsMeasure narrative pacing by how many action verbs appear in each segment of your text.
- Test IBAN generatorRandom generatorsGenerate syntactically valid, fictional IBANs for testing forms, imports and validators.
- Random name generatorRandom generatorsGenerate realistic random person names for test data, in five regional styles.
11 new toolsdeveloper tools, encoding & conversion, random generators and more
- SQL insert statement generatorDeveloper toolsGenerate ready-to-run SQL INSERT statements from a column schema, without touching a real database.
- LLM token and cost calculatorDeveloper toolsEstimate how many tokens a pasted text costs across popular LLM APIs.
- LLM context compressorDeveloper toolsShrink pasted text or code so it costs fewer tokens before you send it to an LLM.
- ASCII banner generatorStylish textTurn a short word into a large multi-line ASCII-art banner.
- Keyword auto-linkerDeveloper toolsTurn keyword mentions in an article into HTML links, one per keyword.
- Story branch checkerDeveloper toolsFind broken links and orphaned nodes in a branching story or dialogue tree.
- Random email generatorRandom generatorsGenerate a bulk list of fake, synthetic email addresses for testing.
- Charset detectorEncoding & conversionGuess the original encoding behind garbled text and recover it.
- Timezone converterEncoding & conversionConvert a date and time from one time zone to another, with the UTC offset shown for both.
- Intel HEX parserEncoding & conversionValidate Intel HEX records and extract their data as a hex dump.
- BCD decoderEncoding & conversionConvert binary-coded decimal nibbles to a decimal number, or the other way round.
19 new toolsdeveloper tools, random generators, text cleaning and more
- Remove lines starting with a numberText cleaningDelete every line whose first character is a digit.
- AI chat log parserDeveloper toolsCleans a pasted ChatGPT or Claude transcript into a tidy user/AI dialogue.
- Few-shot prompt builderDeveloper toolsGenerate a blank few-shot Markdown template with numbered input/output example blocks.
- ASIN / SKU extractorDeveloper toolsPull Amazon ASIN and SKU-like product codes out of raw text or data exports.
- .env file validatorDeveloper toolsCheck .env variable lists for bad keys, missing quotes and duplicates.
- URL link obfuscatorEncoding & conversionRewrite a URL into a percent-hex escaped form that still works when clicked.
- Icebreaker generatorRandom generatorsDraw a random conversation-starter question to open a meeting, team-building session or introduction.
- Percent calculatorNumbersCalculate a whole list of percentage expressions at once, one per line.
- Enclosed alphanumericsStylish textWrap letters and digits in circled or parenthesized Unicode glyphs.
- Podcast chapter generatorRandom generatorsTurn a list of chapter titles and durations into timestamped chapter markers.
- Tabletop stat rollerRandom generatorsRoll a set of tabletop RPG ability scores with 4d6 drop-lowest, 3d6, or 2d6+6.
- Plot twist generatorRandom generatorsGenerate random plot-twist premises to jump-start a story.
- Writing prompt generatorRandom generatorsGet random one-sentence writing prompts to spark your next story.
- TTS sanitizerText cleaningClean raw text so it reads naturally through a text-to-speech engine.
- Sort lines by word positionLists & combinationsSort lines by a specific word within each line, not the whole line.
- CSV column validatorDeveloper toolsCheck that every row of a CSV or TSV file has the same number of columns as the header.
- HTML to Markdown converterDeveloper toolsTurn simple HTML markup into Markdown syntax, right in your browser.
- Mock JSON data generatorDeveloper toolsTurn a one-line-per-field schema into an array of realistic fake JSON records.
- Fake word generatorRandom generatorsGenerate pronounceable made-up words from random consonant-vowel syllables.
13 new toolsdeveloper tools, encoding & conversion, text manipulation and more
- URL defangerDeveloper toolsDefang and refang URLs, IPs and emails so links can't be clicked.
- Base62 encode and decodeEncoding & conversionEncode text to Base62 with digits and letters, and decode it back.
- RC4 cipherEncoding & conversionEncrypt and decrypt text with the RC4 stream cipher and a key — hex out, text back.
- Unicode escapeEncoding & conversionConvert characters to \uXXXX escape sequences and decode them back to text.
- Prompt templaterText manipulationFill {{placeholders}} in a template with your own key = value pairs.
- FAQ schema generatorDeveloper toolsTurn a list of questions and answers into FAQPage JSON-LD.
- Hash identifierDeveloper toolsGuess which algorithm produced a hash from its length, charset and prefix.
- Levenshtein distanceBasic toolsMeasure the edit distance between two strings, plus a similarity percentage.
- Date extractorDeveloper toolsPull every date out of text and get a clean list, one per line.
- Hex dumpEncoding & conversionTurn text into a classic hexdump with offsets and an ASCII gutter, or read one back.
- Prompt splitterText manipulationSplit long text into sequential chunks that fit a character limit, breaking on sensible boundaries.
- SERP pixel width checkerDeveloper toolsEstimate the pixel width of a Google title or meta description and see if it fits before truncation.
- Bcrypt generatorDeveloper toolsHash passwords with bcrypt or verify a password against an existing bcrypt hash.
9 new toolsdeveloper tools, random generators
- INI ⇄ JSON converterDeveloper toolsConvert INI config files to JSON and back, right in your browser.
- Properties to JSON converterDeveloper toolsConvert Java .properties files to JSON and back, right in your browser.
- CSV to SQL INSERT generatorDeveloper toolsTurn CSV rows into ready-to-run SQL INSERT statements for any database.
- CSS to JS object converterDeveloper toolsConvert CSS declarations to a React/JS inline-style object, and back again.
- HTML to JSX converterDeveloper toolsTurn HTML markup into JSX you can paste straight into a React component.
- cURL to code converterDeveloper toolsTurn a curl command into runnable Python, JavaScript or Node.js code.
- BBCode to HTML converterDeveloper toolsConvert BBCode from forums into clean HTML markup.
- .htaccess generatorDeveloper toolsBuild an Apache .htaccess file with HTTPS redirects, www rules, Gzip, caching and access blocks.
- RPG name generatorRandom generatorsGenerate fantasy character and place names for elves, dwarves, orcs, humans, halflings and realms.
More output controls
- Line numbers can now be shown down the side of the output, from the Display menu
- Show whitespace reveals spaces, tabs and line ends as light marks in the output
- A new Animations toggle turns the site’s motion off without changing your system settings
Sound, sizing and sharper previews
- New Text size control in the Display menu scales the input and output areas
- Morse code output can now be played aloud as beeps, entirely in your browser
- Two-way tools (encode/decode and the like) gained a one-tap button to swap direction
- Card previews now reveal invisible characters — tabs, zero-width and non-breaking spaces show as marks
- The “Copied” confirmation fades in and out, and change highlighting now marks scattered edits precisely
- The longest-word finder now writes its result in your language
152 new toolsdeveloper tools, text cleaning, text manipulation and more
- Pangram checkerBasic toolsCheck whether your text contains every letter of the alphabet and see which are missing.
- Anagram checkerBasic toolsCheck whether two texts are anagrams of each other and see exactly which letters differ.
- Syllable counterBasic toolsCount syllables in your text — total, average per word and a per-word breakdown, with long words flagged.
- Text similarityBasic toolsMeasure how similar two texts are — similarity percentage, Levenshtein distance and word overlap.
- Shannon entropy calculatorBasic toolsMeasure how many bits of information each character or word of your text carries.
- Subtitle reading speed (CPS)Basic toolsMeasure characters per second for every subtitle cue and flag the ones nobody can read.
- Text direction detector (LTR/RTL)Basic toolsDetect whether text runs left-to-right or right-to-left and get the dir attribute to use.
- Count occurrencesBasic toolsFind out how many times a word or phrase appears in your text.
- Longest Word FinderBasic toolsFind the longest and shortest words and calculate the average word length.
- Sort wordsText manipulationSort the words of your text alphabetically or by length, with optional deduplication.
- Swap wordsText manipulationSwap every occurrence of one word with another, and vice versa, in a single pass.
- Extract first wordText manipulationPull out the first word from each line instantly.
- Transpose textText manipulationSwap rows and columns of delimited text — the first line becomes the first column and back again.
- Number extractorText manipulationPull every number out of text — integers, decimals and negatives — one per line.
- Hashtag extractorText manipulationPull hashtags and @mentions out of any post or caption and get a clean list.
- SRT subtitle time shifterText manipulationShift every timestamp in an SRT or VTT subtitle file by a fixed offset.
- Typo generatorText manipulationSprinkle realistic keyboard typos over clean text — adjustable rate, QWERTY or QWERTZ.
- Reverse wordsText manipulationReverse the order of the words in your text without spelling them backwards.
- Phone number extractorText manipulationPull every phone number out of a block of text and get a clean list.
- Duplicate each lineText manipulationRepeat every line in your text a specified number of times.
- Reverse each wordText manipulationReverse the letters inside each word while keeping the words in their original order.
- Word scramblerText manipulationRandomize the interior letters of words while keeping their first and last letters fixed.
- Sentence splitterText manipulationPut each sentence on its own line for easier editing, analysis or processing.
- Remove non-ASCII charactersText cleaningStrip every character outside plain ASCII, optionally transliterating accents to their closest letters first.
- Remove bracketsText cleaningRemove bracketed content from text, or just the bracket characters, in one pass.
- Collapse repeated linesText cleaningMerge consecutive identical lines into one, similar to the Unix uniq command.
- Remove numbersText cleaningStrip digits or whole numbers from text and clean up the spaces they leave behind.
- Remove URLsText cleaningStrip links — and optionally email addresses — out of text and keep the prose clean.
- Email quote stripperText cleaningClean quoted text, "…wrote:" headers and signatures out of a pasted e-mail reply.
- Data redactorText cleaningMask e-mails, phone numbers, IBANs, birth numbers, IPs and card numbers in one pass.
- Remove duplicate rows by columnText cleaningDrop CSV/TSV rows whose value in one chosen column already appeared.
- BOM manager (add / remove)Text cleaningAdd or strip the invisible UTF-8 byte order mark at the start of your text.
- SDH subtitle stripperText cleaningRemove sound descriptions, speaker labels and music cues from SDH subtitles.
- AI phrase removerText cleaningStrip the filler phrases, meta-remarks and clichés that give AI-written text away.
- Remove line numbersText cleaningStrip the leading number or list marker from every line of your text.
- Trim linesText cleaningRemove leading and trailing whitespace from each line of your text.
- Remove quotesText cleaningStrip all quotation marks from your text in one click.
- Remove duplicate charactersText cleaningCollapse consecutive duplicate characters to a single occurrence.
- Remove whitespaceText cleaningStrip all spaces and tabs from your text, optionally keeping line breaks.
- Indent textText formattingAdd or remove indentation at the start of every line, with spaces or tabs.
- Insert blank linesText formattingAdd blank lines between your text for better readability and formatting.
- Line ending converterText formattingDetect CRLF, LF and CR line endings with counts and convert a whole text to one consistent style.
- Justify textText formattingRe-flow plain text into block-justified lines of an exact character width.
- Spoiler tag wrapperText formattingWrap text in Discord, Reddit, BBCode or HTML spoiler markup in one paste.
- Paragraph divider inserterText formattingPut a divider line — ***, ---, or your own — between every paragraph of a text.
- Whitespace visualizerText formattingReveal hidden spaces, tabs, and line breaks so you can spot formatting issues instantly.
- Wrap in quotesText formattingSurround each line with your choice of quote style to format lists, arrays or code snippets.
- Mirror textStylish textFlip text left to right, swapping each letter for its mirrored Unicode lookalike.
- ASCII box generatorStylish textDraw a clean border — single, double, rounded or classic ASCII — around any text.
- Text wave generatorStylish textShape text into a casing wave (aBc) or a staircase of indented lines.
- Pig Latin translatorStylish textTurn English words into Pig Latin, the classic playground word game.
- Full-width text generatorStylish textTurn ordinary text into wide full-width "vaporwave" characters.
- Superscript generatorStylish textTurn text into raised superscript characters for exponents, footnotes and bios.
- Bubble textStylish textConvert your text to circled letters and numbers.
- Small caps converterStylish textTransform text to use Unicode small capitals for a stylish typographic effect.
- Subscript generatorStylish textConvert text to small subscript characters for chemical formulas, math and citations.
- Strikethrough textStylish textApply a crossed-out effect to your text using combining Unicode characters.
- Underline textStylish textApply combining underline marks to emphasize individual characters in your text.
- Ascii85 encode and decodeEncoding & conversionEncode text to Ascii85 (base85) and decode it back, with optional Adobe delimiters.
- Vigenère cipherEncoding & conversionEncrypt and decrypt text with the classic Vigenère keyword cipher.
- XOR cipherEncoding & conversionXOR every byte of your text with a repeating key — encrypt and decrypt in one tool.
- Polybius squareEncoding & conversionTurn letters into 5×5 grid coordinates (A → 11) and back, with an optional keyword.
- Rail fence cipherEncoding & conversionEncrypt and decrypt the classic zigzag transposition with a configurable rail count.
- Bacon cipherEncoding & conversionEncode text as five-symbol A/B groups with Bacon’s biliteral cipher, and back.
- Quoted-printable decoderEncoding & conversionDecode =C3=A9 escapes and soft line breaks from e-mail source — or encode your own.
- Base58 encode and decodeEncoding & conversionEncode text to Base58 with the Bitcoin alphabet and decode it back.
- Braille translatorEncoding & conversionTranslate text to Unicode braille letter by letter and back again.
- Caesar cipherEncoding & conversionEncode or decode text with a classic Caesar letter-shift cipher.
- ROT47 cipherEncoding & conversionEncode or decode text with the ROT47 cipher, right in your browser.
- Random emoji generatorRandom generatorsGenerate random emoji from curated categories, with control over count and repeats.
- Passphrase generatorRandom generatorsCreate memorable diceware-style passphrases from random words, right in your browser.
- Nano ID generatorRandom generatorsGenerate short, URL-safe Nano IDs with cryptographically secure randomness.
- Random username generatorRandom generatorsGenerate friendly adjective + noun usernames like CleverFox07 in four styles.
- Diceware passphrase generatorRandom generatorsGenerate strong, memorable passphrases from random words with a shown entropy figure.
- Coin flipRandom generatorsFlip a virtual coin for heads or tails with cryptographically fair results.
- PIN generatorRandom generatorsGenerate random numeric PIN codes instantly.
- Repeat characterRandom generatorsGenerate a line or block by repeating a character or string pattern.
- Permutation generatorLists & combinationsList every ordering of your items — full permutations, k-permutations or letter anagrams.
- Cartesian product of listsLists & combinationsCross every item of one list with every item of the others — all combinations, one per line.
- Random matchmakerLists & combinationsShuffle a list and split it into random pairs or groups, leftover handled.
- Duration calculatorNumbersAdd up a list of durations and see the total in hours, minutes and seconds.
- Words to numbersNumbersTurn spelled-out English numbers in a text into digits, keeping everything else intact.
- Fraction converterNumbersConvert between fractions, decimals and percentages, one value per line, with exact simplification.
- Date difference calculatorNumbersCount the days, weeks, months and years between two dates, with weekdays and weekends.
- Prime number checkerNumbersCheck whether numbers are prime, see their prime factorization and the next prime.
- Sort numbersNumbersSort a list of numbers by numeric value, so 2 comes before 10, not after it.
- CSS formatterDeveloper toolsBeautify minified or messy CSS into clean, indented, readable rules.
- CSS gradient generatorDeveloper toolsGenerate CSS linear and radial gradient declarations with custom colors and angles.
- Sort JSONDeveloper toolsSort the keys of a JSON object alphabetically, recursively and consistently.
- UUID decoderDeveloper toolsDecode a UUID to reveal its version, variant and embedded timestamp.
- Meta tag generatorDeveloper toolsGenerate the HTML title, description, canonical, Open Graph and Twitter card tags for a page.
- SVG URL encoderDeveloper toolsConvert SVG markup into a CSS-ready data URI and decode data URIs back to SVG.
- Query string builderDeveloper toolsConvert key-value pairs into a URL query string with proper encoding.
- Sitemap XML generatorDeveloper toolsTurn a plain list of URLs into a valid sitemap.xml, ready to upload.
- CSP header generatorDeveloper toolsBuild a Content-Security-Policy header from per-directive fields, ready to deploy.
- Humans.txt generatorDeveloper toolsBuild a humans.txt credits file — TEAM, THANKS and SITE sections — from a simple list.
- SQL formatterDeveloper toolsFormat SQL queries with each clause on its own line, consistent indentation and uppercase keywords.
- HTML formatterDeveloper toolsPretty-print HTML with proper nesting indentation, without ever touching pre, script or style content.
- JSON to TypeScriptDeveloper toolsGenerate TypeScript interfaces from a JSON document, with nested objects as named sub-interfaces.
- HMAC generatorDeveloper toolsCompute HMAC-SHA256, SHA-1, SHA-384 or SHA-512 signatures with a secret key.
- Domain extractorDeveloper toolsPull clean domain names out of any text full of links and e-mail addresses.
- IP address extractorDeveloper toolsPull every IPv4 and IPv6 address out of logs, configs or any text.
- VTT ⇄ SRT converterDeveloper toolsConvert subtitles between WebVTT and SubRip in either direction, instantly.
- Subtitle line wrapperDeveloper toolsRe-wrap subtitle dialogue to a maximum characters-per-line limit, timing preserved.
- IP address converter (hex/dec/binary)Developer toolsConvert an IPv4 address between dotted, decimal (DWORD), hexadecimal and binary.
- XML to JSON converterDeveloper toolsConvert XML into equivalent JSON, with attributes prefixed and repeated tags as arrays.
- Split camelCaseDeveloper toolsSeparate camelCase and snake_case identifiers into individual words for readability.
- Lines to HTML listDeveloper toolsConvert line-separated text into properly formatted HTML list markup.
- Remove first lineText cleaningDelete the first N lines from your text instantly.
- Remove last lineText cleaningDelete the last N lines from your text.
- Remove leading zerosText cleaningStrip leading zeros from numbers in your text.
- Remove text in bracketsText cleaningStrip out text enclosed in brackets and keep only the content you need.
- Remove repeated wordsText cleaningCollapse consecutive duplicate words within each line, instantly.
- Keep only lettersText cleaningRemove all characters except letters, optionally keeping spaces.
- Keep only numbersText cleaningExtract all digits and remove every other character from text.
- Extract last wordText manipulationGet the last word from each line of text.
- Rotate linesText manipulationShift the order of your lines by a fixed amount, wrapping around from top to bottom.
- Interleave linesText manipulationMerge two lists or texts by alternating their lines one by one.
- Numbered listText manipulationAdd automatic numbering to each line of your text.
- Bullet listText manipulationAdd bullet points to each line of your text.
- Capitalize sentencesText manipulationAutomatically capitalize the first letter of every sentence in your text.
- Case swapperText manipulationInstantly toggle the case of every letter in your text.
- Count words per lineBasic toolsAdd word counts to each line of your text.
- Duplicate word finderBasic toolsFind words that occur more than once in your text.
- Cursive textStylish textTransform your text into elegant Unicode mathematical script letters.
- Gothic textStylish textConvert your text to Gothic and Fraktur letterforms, the ornate script of historical documents.
- Monospace textStylish textConvert text to Unicode monospace characters that render in a fixed-width font.
- Double-struck textStylish textConvert text to mathematical double-struck characters, also known as blackboard bold.
- Clap textStylish textInsert an emoji between every word to add emphasis and visual flair.
- Mocking caseStylish textAlternate between uppercase and lowercase letters, the SpongeBob mocking style.
- Squared textStylish textTransform letters into styled squared Unicode characters for eye-catching text.
- Regional indicator textStylish textConvert letters to regional indicator symbols, the decorative Unicode flag letters.
- Spaced lettersStylish textInsert a separator between every character to create visually spaced text.
- Sum numbersNumbersFind all numbers in text and add them together instantly.
- Factorial calculatorNumbersCompute factorials instantly, from 0! to 500! with exact results using BigInt.
- Fibonacci generatorNumbersGenerate Fibonacci sequences of any length with your choice of starting values and formatting.
- Multiplication tableNumbersGenerate a multiplication table for any number, perfect for learning or reference.
- Percentage changeNumbersInstantly calculate the percentage change from one value to another.
- Number to ordinalNumbersReplace integers in text with their English ordinal forms (1st, 2nd, 3rd, etc.).
- Round numbersNumbersRound every number in your text to a specified number of decimal places.
- Even / odd splitterNumbersSeparate even and odd numbers instantly from any text.
- A1Z26 cipherEncoding & conversionConvert letters to numbers and back with the simple A1Z26 substitution cipher.
- Affine cipherEncoding & conversionEncrypt text using the affine cipher, a linear mathematical encryption based on modular arithmetic.
- Keyboard shift cipherEncoding & conversionEncrypt text by shifting each letter to its neighboring key on a QWERTY keyboard.
- Base45 encoderEncoding & conversionEncode text to Base45 or decode Base45 to text per RFC 9285.
- Tap codeEncoding & conversionEncode or decode messages using tap code, the classic communication method.
- Beaufort cipherEncoding & conversionEncrypt and decrypt text with the Beaufort cipher, a self-reciprocal variant of the Vigenère cipher.
- JSON to XML converterDeveloper toolsConvert JSON data into XML format with indentation and custom root elements.
- JSON to CSV converterDeveloper toolsTransform JSON arrays into properly formatted CSV files for spreadsheet programs.
- HTML list to linesDeveloper toolsExtract text from HTML list items into plain lines.
- Markdown link extractorDeveloper toolsExtract all links from Markdown text and list them by URL, text, or both.
- Env to JSONDeveloper toolsConvert environment variable files into structured JSON objects.
111 new toolsdeveloper tools, text cleaning, encoding & conversion and more
- UTF-8 byte counterBasic toolsMeasure the real size of text in UTF-8 bytes, UTF-16 units, code points and graphemes.
- Palindrome checkerBasic toolsCheck whether text reads the same backwards and find palindromic words in it.
- Reading time calculatorBasic toolsEstimate how long a text takes to read aloud or silently.
- Readability score checkerBasic toolsScore text readability with Flesch, Fog, ARI and Coleman–Liau.
- Sentence counterBasic toolsCount sentences, paragraphs and average sentence length, and flag overlong sentences.
- Keyword density checkerBasic toolsCheck how often each keyword appears in a text and what share of it that makes.
- Letter frequency counterBasic toolsCount how often each letter appears in a text, with counts and percentages.
- Combine texts line by lineText manipulationJoin two texts by pairing their lines: line 1 with line 1, line 2 with line 2.
- Truncate textText manipulationCut text down to a set number of characters or words and trim line edges.
- Extract columnText manipulationPull the columns you need out of CSV, TSV or any delimited text.
- Acronym generatorText manipulationTurn each line of text into an acronym from the first letter of every word.
- Extract linesText manipulationPull out a line range, the first or last N lines, or every Nth line.
- Remove charactersText cleaningStrip specific characters, whole character classes or regex matches from text.
- Remove duplicate wordsText cleaningDelete repeated words from text and keep only the first time each one appears.
- Remove emojiText cleaningStrip every emoji and pictograph out of your text, or list the ones it contains.
- Remove HTML tagsText cleaningStrip every HTML and XML tag and keep the readable text.
- Remove punctuationText cleaningStrip punctuation marks from text and keep the words intact.
- Remove wordsText cleaningStrip every occurrence of a word or phrase out of your text.
- Phone number formatterText cleaningClean a list of phone numbers into a uniform international E.164 format.
- Remove HTML commentsText cleaningStrip developer comments from HTML or XML markup before you publish it.
- Remove vowelsText cleaningStrip the vowels from any text, or invert it and keep only the vowels.
- Filter lines by lengthText cleaningKeep or remove lines based on their character count or word count.
- Strip MarkdownText cleaningRemove Markdown formatting and keep the plain text — headings, emphasis, links, lists and tables.
- Duplicate line finderText cleaningFind repeated lines and see how many times each one occurs.
- SRT to plain textText cleaningTurn SRT and VTT subtitles into a clean transcript without numbers or timestamps.
- Invisible character detectorText cleaningFind hidden Unicode characters in text and highlight, remove or replace them.
- Tabs to spacesText formattingConvert tabs to spaces or pack spaces back into tabs, at any tab width.
- Word wrapText formattingWrap text so no line exceeds a set number of characters.
- Pad textText formattingPad each line to a set length with a chosen character, from the left, right or both sides.
- Thousands separatorText formattingAdd, change or remove thousands separators in every number in your text.
- Smart quotes converterText formattingConvert straight quotes to typographic curly quotes and back, in four regional styles.
- Sort paragraphsText formattingSort whole paragraphs alphabetically, by length or in reverse order.
- Merge paragraphsText formattingUnwrap paragraphs by joining their lines into single lines, without double spaces.
- Markdown table generatorText formattingTurn CSV or tab-separated data into a clean, aligned Markdown table.
- XML formatterText formattingPretty-print or minify XML with tag-nesting checks that name the offending tag.
- Normalize Unicode textStylish textTurn fancy Unicode text back into plain, ordinary characters.
- Text decorationsStylish textWrap your text in decorative symbol frames like ꧁text꧂ or ★彡text彡★.
- Upside down textStylish textTurn any text 180 degrees using Unicode characters that look reversed.
- Zalgo glitch textStylish textStack Unicode combining marks on your text to make it look corrupted.
- Leet speak translatorStylish textTurn text into 1337 speak and decode it back, with three intensity levels.
- Invisible text generatorStylish textGenerate invisible Unicode characters for blank messages, names and posts.
- Encrypt text with a passwordEncoding & conversionEncrypt text with a password using AES — only someone who knows it can read it back.
- Hex to text and backEncoding & conversionConvert text to hexadecimal and hex back to text, byte for byte in UTF-8.
- ROT13 / Caesar cipherEncoding & conversionShift letters through the alphabet by any amount, ROT13 by default.
- Unix timestamp converterEncoding & conversionConvert Unix timestamps to readable dates and dates back to timestamps.
- Cron expression parserDeveloper toolsExplain a cron expression in plain language and preview its next run times.
- Binary to text and backEncoding & conversionConvert text to binary code and binary back to text, bit by bit.
- Morse code translatorEncoding & conversionTranslate text to Morse code and Morse code back to text.
- Atbash cipherEncoding & conversionMirror the alphabet so A becomes Z and Z becomes A — encoding and decoding in one step.
- Base32 encode and decodeEncoding & conversionConvert text to RFC 4648 Base32 and back, with base32hex and padding options.
- Character code converterEncoding & conversionTurn text into Unicode code points and character codes back into text.
- NATO phonetic alphabetEncoding & conversionSpell text in the NATO alphabet — Alfa, Bravo, Charlie — and read it back.
- Punycode converterEncoding & conversionConvert internationalized domain names to punycode (xn--) and back.
- JSON string escape and unescapeEncoding & conversionEscape raw text into a JSON string or parse JSON escapes back to readable text.
- Random word generatorRandom generatorsGenerate random English words by length, part of speech and starting letters.
- Dice roller & coin flipRandom generatorsRoll d4 to d100 dice or flip a coin with cryptographically fair results.
- MAC address generatorRandom generatorsGenerate random, well-formed MAC addresses in colon, hyphen or Cisco notation.
- Google Calendar link generatorRandom generatorsBuild an add-to-calendar link that opens a prefilled event in Google Calendar.
- Random date generatorRandom generatorsGenerate random dates from any range, in the format you need.
- Random IP address generatorRandom generatorsGenerate random IPv4 and IPv6 addresses for testing, with public, private and CIDR options.
- Random color generatorRandom generatorsGenerate random colors as HEX, RGB or HSL, with light, dark, pastel and vivid palettes.
- ULID generatorRandom generatorsGenerate sortable ULID identifiers, one per line, straight in your browser.
- Password strength checkerRandom generatorsEstimate password entropy, crack time and concrete weaknesses — locally, in your browser.
- Combination generatorLists & combinationsGenerate every combination of k items from a list, with or without repetition.
- Line combinationsLists & combinationsCombine every line of one list with every line of another.
- Merge listsLists & combinationsCombine two lists into one, with optional deduplication and sorting.
- List splitterLists & combinationsSplit a long list of lines into smaller lists by chunk size or count.
- Random team generatorLists & combinationsSplit a list of names into fair random teams.
- Email list validatorLists & combinationsCheck a list of email addresses for syntax errors and common typos.
- Number sequence generatorNumbersGenerate a list of numbers from a start to an end value with any step.
- Roman numeral converterNumbersConvert numbers to Roman numerals and Roman numerals back to numbers, one per line.
- Sum and number statisticsNumbersAdd up a list of numbers and get the mean, median, min, max and standard deviation.
- Credit card number checkerNumbersCheck card numbers against the Luhn checksum and detect the scheme — a developer tool for test numbers, not a card verifier.
- Byte unit converterNumbersConvert data sizes between B, KB, MB, GB and TB in decimal or binary units.
- Percentage calculatorNumbersWork out X % of Y, percentage share, percentage change and discounted prices, with the formula shown.
- Temperature converterNumbersConvert temperatures between Celsius, Fahrenheit and Kelvin, one value per line.
- Number base converterNumbersConvert numbers between any bases from binary to base 36, one per line.
- IBAN validatorNumbersCheck IBANs against the official country lengths and the mod-97 checksum — catches typos before a payment, entirely in your browser.
- GCD and LCM calculatorNumbersFind the greatest common divisor and least common multiple of two or more integers.
- Color converterDeveloper toolsConvert colors between HEX, RGB and HSL, with alpha and a tint palette.
- Change CSV delimiterDeveloper toolsSwap the column separator in CSV data between comma, semicolon, tab and pipe.
- CSV ⇄ JSON converterDeveloper toolsConvert CSV data to JSON and back, or turn it into a Markdown or HTML table.
- YAML ⇄ JSON converterDeveloper toolsConvert YAML to JSON and back — Kubernetes manifests, CI configs, OpenAPI specs.
- ICS generatorDeveloper toolsBuild a calendar event and get the .ics text to import anywhere.
- Regex testerDeveloper toolsTest a regular expression against your text and see every match and capture group.
- URL extractorDeveloper toolsPull every link out of text or HTML and get a clean list of URLs.
- Markdown to HTML and backDeveloper toolsConvert Markdown to clean HTML source and turn HTML back into Markdown.
- CSV to HTML tableDeveloper toolsTurn CSV data into clean HTML table markup with thead, tbody and escaped cells.
- HTML table to MarkdownDeveloper toolsConvert HTML tables to GitHub-flavored Markdown tables with alignment kept.
- URL query parserDeveloper toolsExtract query-string parameters from a URL and view them as readable JSON.
- CSS minifierDeveloper toolsMinify CSS by stripping comments and whitespace without touching your values.
- SQL minifierDeveloper toolsCompress an SQL script by stripping comments and extra whitespace.
- JSON to .env converterDeveloper toolsTurn a JSON object into ready-to-use .env lines with clean uppercase keys.
- User-agent parserDeveloper toolsDecode user-agent strings into browser, engine, OS and device type.
- UTM link generatorDeveloper toolsAdd UTM campaign parameters to many URLs at once.
- WhatsApp link generatorDeveloper toolsBuild a wa.me click-to-chat link from a phone number and an optional prefilled message.
- URL validatorDeveloper toolsCheck a list of links and separate syntactically valid URLs from broken ones.
- HTML to BBCode converterDeveloper toolsConvert HTML markup to BBCode for forum posts and signatures.
- SQL comment removerDeveloper toolsStrip -- line comments and /* */ block comments from SQL without touching string literals.
- Robots.txt generatorDeveloper toolsBuild a correct robots.txt with presets, custom rules, crawl-delay and a sitemap link.
- JWT decoderDeveloper toolsDecode a JSON Web Token and read its header and payload — without verifying the signature.
- JSON flattenerDeveloper toolsFlatten nested JSON into single-level dot-notation keys, or rebuild the nesting.
- JSON diffDeveloper toolsCompare two JSON documents structurally and see every added, removed and changed value by its path.
- Chmod calculatorDeveloper toolsConvert Unix file permissions between octal and rwx notation with a full breakdown.
- IP subnet calculatorDeveloper toolsCalculate network address, broadcast, netmask and host range from CIDR notation.
- Contrast checkerDeveloper toolsCheck WCAG contrast ratios of color pairs, with AA and AAA verdicts and fix suggestions.
- CSS unit converterDeveloper toolsConvert CSS lengths between px, rem, em, pt and % against any root font size.
- Aspect ratio calculatorDeveloper toolsReduce any width and height to its aspect ratio, name it and solve missing sides.
- Mailto link generatorDeveloper toolsBuild a mailto link with recipients, cc, bcc, subject and a prefilled body.
- vCard generatorDeveloper toolsFill in contact details and get a .vcf contact card to import anywhere.
- Markdown TOC generatorDeveloper toolsGenerate a linked table of contents from the headings of a Markdown document, with GitHub-style anchors.
Launched with 52 tools
- Text manipulation, cleaning, encoding, generators and more
- Everything runs locally in your browser — no sign-up, no limits
- Every tool in 18 languages: English, Čeština, Deutsch, Español, Français, Hrvatski, Italiano, Magyar, Nederlands, Polski, Português, Română, Slovenčina, Slovenščina, Svenska, Türkçe, Русский, Українська