Is JSON to CSV Converter free?

Yes. JSON to CSV Converter runs entirely in your browser. No data is uploaded or stored.

Does JSON to CSV Converter work offline?

Yes. Once loaded, JSON to CSV Converter works fully offline except for the QR code generator which uses a pinned CDN with SRI.

Local-only · nothing leaves your browser

How do I convert JSON to CSV?

Paste a JSON array of objects below to instantly convert it to CSV format. Each object key becomes a column header. Works with nested objects up to one level deep.

Input JSON (array of objects)

CSV Output

CSV output will appear here...

⚠ JavaScript is required for this tool — the page content above works without it.

F.A.Q. — Questions, answered

What is JSON to CSV Converter?Paste a JSON array of objects below to instantly convert it to CSV format. Each object key becomes a column header. Works with nested objects up to one level deep.
Is JSON to CSV Converter free?Yes. JSON to CSV Converter runs entirely in your browser. No data is uploaded or stored.
Does JSON to CSV Converter work offline?Yes. Once loaded, JSON to CSV Converter works fully offline except for the QR code generator which uses a pinned CDN with SRI.