JSON Formatter Online
Use our free JSON Formatter to prettify, minify, and validate JSON instantly. This developer tool works on mobile and desktop with no signup.
Output
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How the JSON Formatter Works
- Paste your JSON input
- Click Format or Minify
- Copy the output instantly
Features
- Prettify and minify JSON
- Instant JSON validation
- Optional key sorting
- Works in your browser
Use Cases
- Developers
- API debugging
- Logs
- Config files
FAQs
Is this JSON Formatter free?
Yes. It is 100% free and works online.
Is my JSON uploaded to a server?
No. Formatting happens in your browser.
Can it minify JSON?
Yes. You can minify JSON to a compact single-line format.
Does it validate JSON?
Yes. Invalid JSON will show an error message.
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