Convert JSON to CSV for free. Your file is converted on your own device, so it is never uploaded, and you can set a maximum file size (for example 200 KB or 1 MB) for the result.
How to use JSON to CSV
Drop your JSON file into the box above.
CSV is already selected; set a max file size if you need one.
Convert, preview and download your CSV.
Frequently asked questions
How do I convert JSON to CSV?
Drop your JSON file above and click convert. The CSV is ready to preview and download in seconds.
Can I make the CSV smaller than a certain size?
Yes. Pick a max file size such as 100 KB, 500 KB or 1 MB, or type your own, and the result is shrunk to fit (best effort).
Is my file uploaded?
No. The conversion runs inside your browser, so your file never leaves your device.
How do I convert CSV to JSON online?
Paste or upload your CSV above, choose CSV to JSON, and download or copy the JSON output. It is free and runs locally.
Can I convert JSON back to CSV?
Yes, the converter works both directions — switch the mode to turn a JSON array into a CSV file.