Free tool
JSON formatter
Pretty-print or minify JSON and catch syntax errors.
Files stay on your deviceFree · no sign-up
1
Type or paste
2
Get your result
Your result will appear here.
About this free tool
JSON formatter — free online tool
Pretty-print or minify JSON and catch syntax errors. JSON formatter is a free online tool from Capyboat — open it in any browser on your phone or computer, no sign-up needed.
It runs entirely on your device, so whatever you add stays private and results appear instantly.
Great for
- Beautify
- Validate
- Developers
- Data cleaning
- Testing
Highlights
- Adjustable settings: mode
- Instant results in your browser
- Free, no account, no watermark
Private
Instant
100% free
How to use JSON formatter
- 1Type or paste your text.
- 2Choose your settings (mode).
- 3Press “Run JSON formatter”, check the preview and download the result.
Questions about JSON formatter
Is JSON formatter free to use?
Yes. JSON formatter on Capyboat is completely free, with no sign-up, no watermark and no daily limit.
Are my files safe?
Yes. JSON formatter runs entirely inside your browser, so your files are never uploaded to any server.