JSON to CSV Converter
Paste JSON, preview as table, download as CSV or TSV. Nested objects auto-flattened. 100% free, runs in your browser.
Frequently Asked Questions
Is this JSON to CSV converter free?
Yes, 100% free with no limits. Convert any size JSON to CSV. No signup, no file size limits, everything runs in your browser.
How does it handle nested JSON objects?
Nested objects are flattened using dot notation. For example, { "user": { "name": "John" } } becomes a column "user.name" with value "John". Arrays within values are joined with semicolons.
Is my data sent to a server?
No. Everything runs 100% in your browser. Your JSON data never leaves your device.
What formats can I export to?
CSV (comma-separated), TSV (tab-separated), or custom delimiter (semicolon, pipe). You can also copy the result to clipboard or download as a file.
Is there a file size limit?
No hard limit. Since everything runs in your browser, it depends on your device memory. Typically handles files up to 50-100MB without issues.
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