Convert JSON and CSV

Convert JSON object arrays to CSV or CSV tables to JSON. Choose comma, semicolon or tab delimiters and download the converted data.

Free · No sign-up · Files stay on your device

Features

  • Convert between JSON records and CSV tables.
  • Choose comma, semicolon or tab delimiters.
  • Use a header row for CSV column names.

How to use this tool

  1. Choose JSON → CSV or CSV → JSON.
  2. Paste the matching input and choose its delimiter.
  3. Process, review and download the converted data.

Good to know

This tool is free without sign-up, with unlimited processing and exports within the displayed input limits.

  • JSON input must be an array of objects. CSV values become strings; JSON-to-CSV output escapes cells that could be interpreted as spreadsheet formulas.

Privacy and local processing

This tool processes your input in your browser. Source files and text are not uploaded to a FormatOwl processing server. Advanced-tool access and trial balances are checked online using tool IDs, file types, sizes and page counts. Free tools do not require account authorization. Save the results you need before leaving or refreshing the page.

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