JSON to CSV converter

Free · no sign-up

Convert JSON to CSV and CSV back to JSON — right in your browser.

Convert data between JSON and CSV in seconds — paste a JSON array of objects to get a CSV table, or paste CSV to get JSON. Everything runs in your browser; nothing is uploaded. Free, no sign-up.

✓JSON → CSV and CSV → JSON
✓Handles quoted fields and commas (RFC 4180)
✓Works with any array of objects
✓Copy the result in one click
✓Runs in your browser — nothing uploaded

Who it's for

Exporting API data to a spreadsheet
Importing a spreadsheet into code
Quick data reshaping
Cleaning up exports

How it works

1Choose a direction (JSON→CSV or CSV→JSON).
2Paste your data.
3See the converted output.
4Copy it.

Frequently asked questions

How do I convert JSON to CSV?+

Paste a JSON array of objects — each object becomes a row and the keys become the header columns. Nested values are kept as JSON text in the cell.

How do I convert CSV to JSON?+

Switch to CSV → JSON and paste your CSV with a header row; each row becomes an object keyed by the headers. Quoted fields with commas or newlines are handled.

Is my data uploaded?+

No. The conversion runs entirely in your browser; your data never leaves your device.