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CSV ↔ JSON Converter

Convert between CSV and JSON formats

About CSV ↔ JSON Converter

Convert between CSV and JSON formats instantly in your browser. Supports custom delimiters and header detection.

How to use CSV ↔ JSON Converter

  1. 1Choose the conversion direction: CSV → JSON or JSON → CSV.
  2. 2Paste your data into the input area.
  3. 3For CSV input, select the delimiter (comma, semicolon, or tab) and indicate if the first row is a header.
  4. 4The converted result appears instantly in the output area.
  5. 5Copy the result to your clipboard.

Tips

  • European CSV files often use semicolons instead of commas — switch the delimiter accordingly.
  • When the first row is a header, JSON output uses those values as keys for cleaner, more readable data.
  • For JSON → CSV, ensure your JSON is an array of flat objects for the best results.

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OneKitTools TeamUpdated 2.21.4