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CSV ↔ JSON Converter

Paste CSV to get JSON, or paste a JSON array of objects to get CSV. Conversion happens locally in your browser.

How to use the CSV ↔ JSON Converter

  1. Paste CSV or a JSON array.
  2. Click CSV→JSON or JSON→CSV.
  3. Copy the converted data.

100% free, no sign-up, and it all runs in your browser — your data never leaves your device.

FAQ

What JSON format converts to CSV?

A JSON array of flat objects, e.g. [{"name":"Alice","age":30}].

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