Convert JSON to CSV

Convert JSON arrays into CSV spreadsheets ready for Excel or Google Sheets. Free online JSON-to-CSV converter. Works in your browser, no upload, no signup.

Frequently asked questions

Does my JSON get sent to a server?

No. Formatting and validation happen entirely in your browser — your data never leaves the page.

Can it handle large files?

Yes. The formatter handles JSON files up to 10 MB on Free and 100 MB on Pro without freezing the browser.

Does it show a tree view?

Yes — toggle between formatted text and an interactive collapsible tree view.

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