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CSV ↔ JSON

DEVFREE · NO SIGNUP

Convert between CSV and JSON data formats

CSV ↔ JSON converts tabular CSV data to JSON and back. Useful for moving data between spreadsheets and APIs. It runs in your browser, so your data stays private.

How to use CSV ↔ JSON

  1. 01Paste your CSV or JSON.
  2. 02Choose the conversion direction.
  3. 03Copy the converted data.

Frequently asked questions

Does it convert both ways?
Yes. CSV to JSON and JSON to CSV.
Is my data uploaded?
No. The conversion runs locally in your browser.
Does it handle headers?
Yes. CSV headers become JSON keys and vice versa.
Is it free?
Yes, free with no sign-up.
● client-side● no upload● privacy-safe
dev › csv-json