CSV to JSON
ConvertPaste or upload CSV and instantly get clean JSON — with header detection and an array-of-objects output. Convert back from JSON to CSV too. Everything runs in your browser.
Runs entirely in your browser — nothing is uploaded
Frequently asked questions
Does it handle quoted fields and commas?+
Yes. The parser understands quoted values, escaped quotes, and commas inside quotes, following standard CSV rules.
Can I convert JSON back to CSV?+
Yes — switch the mode and paste a JSON array of objects to get CSV with a header row.
Is my data sent to a server?+
No. Converting happens entirely in your browser using built-in web APIs — nothing is uploaded, stored, or logged.