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JSON to CSV converter

Transform JSON arrays into properly formatted CSV files for spreadsheet programs.

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JSON to CSV converter
JSON to CSV converter transforms JavaScript Object Notation data directly into comma-separated values format, ready for Excel, Google Sheets, or any spreadsheet application. Paste a JSON array of objects and the tool instantly exports each object as a CSV row, with the first row serving as column headers extracted from the object keys.
The converter automatically handles the CSV format rules: fields containing commas, quotes, or line breaks are properly quoted, and quote characters are escaped by doubling them. Choose your delimiter — comma is standard in English-speaking markets, semicolon is common in European countries, and tab-separated values work well for data import into text editors. The tool determines column order from the first object's keys, then includes all other keys from subsequent objects, filling missing values with empty cells.
Everything runs in your browser with no uploads or external processing. Your JSON data never leaves your device, making this safe for sensitive information. The live tally shows how many rows were converted, so you can verify the result instantly. Copy the CSV output or download it as a file, then import it into your spreadsheet, database tool, or data analysis software. No authentication, no limits — just fast, reliable JSON to CSV conversion.
FAQ
What format should the JSON be in?
The JSON must be an array of objects, like [{"name":"Alice","age":30},{"name":"Bob","age":25}]. Each object becomes a CSV row, and the keys become column headers.
How are special characters handled?
Fields containing commas, quotes, or line breaks are enclosed in double quotes. Quote characters inside values are escaped by doubling them, following standard CSV rules.
Can I use a different delimiter instead of commas?
Yes. Select Semicolon for European spreadsheet formats, or Tab for tab-separated values. The converter re-quotes fields as needed for your chosen delimiter.
What happens if objects have different keys?
The first object determines the column order. Keys from later objects appear in the order they are first encountered. Missing values show as empty cells.
Is my JSON data uploaded anywhere?
No. The conversion runs entirely in your browser and your data never leaves your device.