Is the csv ⇄ json converter free?

Yes — 100% free, no signup, no usage limits.

Does it save my data?

No. Inputs are processed in your browser and never uploaded to a server.

Yes. The interface is fully responsive and works on iOS and Android.

Yes — the parser respects double-quoted strings and escaped quotes (""), matching RFC 4180.

Convert spreadsheet CSV to JSON arrays — or back. Handles quoted fields per RFC 4180.

InputOutput

CSV and JSON are the two most common data-interchange formats.