Text tools that don't read your text.
Every tool runs entirely in your browser. No sign-up, no limits, no data leaves your device.
remove-duplicate-lineslive
apple
apple
banana
cherry
banana
5 → 3 lines · −2 duplicates
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Categories
Basic tools35 tools
Action word density · Anagram checker · Case converter · …
Text manipulation43 tools
Acronym generator · Add or remove line breaks · Add prefix and suffix · …
Text cleaning57 tools
AI phrase remover · BOM manager (add / remove) · Collapse repeated lines · …
Text formatting33 tools
Add line numbers · Align text into columns · BibTeX to citations · …
Stylish text34 tools
ASCII banner generator · ASCII box generator · Bionic reading · …
Encoding & conversion62 tools
A1Z26 cipher · Affine cipher · Ascii85 encode and decode · …
Random generators55 tools
Acrostic generator · AI persona prompt generator · Article schema generator · …
Lists & combinations26 tools
Anki flashcard TSV generator · Cartesian product of lists · Combination generator · …
Numbers53 tools
A/B test significance calculator · ASCII bar chart generator · BIC/SWIFT code validator · …
Developer tools227 tools
.env file diff · .env file validator · .gitignore rule tester · …