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JSON to CSV Converter

Free online JSON to CSV converter — turn a JSON array of objects into clean CSV in your browser. Nested values are JSON-encoded; nothing is uploaded.

Learn more: CSV Files ExplainedThe CSV format, RFC 4180 quoting rules, encodings, common pitfalls, and how CSV compares to TSV, JSON and Parquet.

Delimiter

JSON

Upload

CSV

Runs entirely in your browser — nothing you enter is uploaded or stored.

Ask about this tool on

JSON to CSV Converter

Free online JSON to CSV converter — turn a JSON array of objects into clean CSV in your browser. Nested values are JSON-encoded; nothing is uploaded.

Paste your JSON on the left and the CSV is produced instantly on the right — right in your browser. There’s no upload step: your data never leaves the page, which you can confirm from the Network panel or our privacy policy.

Frequently asked questions

How do I convert JSON to CSV?

Paste or type your JSON in the left editor (or use Sample / Upload / URL). The CSV appears instantly on the right — copy or download it. Everything runs in your browser.

Is my data uploaded anywhere?

No. This converter runs entirely in your browser — your JSON is never sent to a server. You can verify it in the Network tab or in our Content-Security-Policy.

Is the JSON to CSV free?

Yes — completely free, no sign-up and no limits. Everything happens client-side.

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