JSON to CSV and CSV to JSON converter
Convert JSON arrays into CSV tables and CSV files into JSON. Choose the delimiter and header options, check the data and download the result.
Choose direction and delimiter. JSON input must be an array of objects; CSV needs unique headers. Quoted fields and multiline rows use a CSV parser.
Result
Your result will appear here.
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How to use it
Choose direction and delimiter. JSON input must be an array of objects; CSV needs unique headers. Quoted fields and multiline rows use a CSV parser.
Method and limits
Required unique headers. CSV → JSON preserves strings; JSON → CSV serializes nested objects as JSON. Formula protection on by default; UTF-8.
Manual text up to 5 million characters; UTF-8 files up to 100 MB. CSV: at most 100,000 rows, 1000 columns and one million cells. No data sent to the server.