How to convert JSON to CSV
- 1. Add your JSON file
Drag a JSON file onto the box above, or click to browse. - 2. Choose CSV
CSV is already selected as the output — just confirm. - 3. Convert & download
Hit Convert and your new file is ready to save in a second.
JSON and CSV explained
JSON (JavaScript Object Notation): A structured, text-based data format used across the web and apps.
CSV (Comma-Separated Values): A plain-text format for spreadsheet and tabular data that opens anywhere.
Frequently asked questions
Is it free to convert JSON to CSV?
Yes. Converting JSON to CSV on SwiftConvert is completely free, with no sign-up, no watermark and no limits.
Are my files uploaded to a server?
No. The conversion runs entirely in your browser, so your files never leave your device — nothing is uploaded, which keeps your data private.
Will I lose quality converting JSON to CSV?
The conversion keeps as much quality as the CSV format allows.
Does it work on Windows, Mac, iPhone and Android?
Yes. It runs in any modern browser on any device — there is nothing to install to convert JSON to CSV.