JSON formatter & validator
Pretty-print, minify and check JSON, with the exact error if it is invalid.
⭐ Use this often? Press Ctrl+D (⌘+D on Mac) to bookmark it — next time it is one click away.
How to use
- Type or paste your text.
- Pick the options you need — the result updates instantly.
- Copy the result.
Questions
- Are my files uploaded anywhere?
- No. Everything runs inside your browser on your own device. Your files are never sent to our servers.
- Is it free?
- Yes. No sign-up, no watermark, no limit on how many times you use it.
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