Format and validate your JSON instantly with proper indentation, or minify it. Use this free json formatter online — it runs entirely in your browser, so it is fast, private, and secure. No sign-up, no watermark, no limits.
How to use the JSON Formatter
- Paste your JSON into the box.
- Click Format to beautify or Minify to compress.
- Copy the clean result.
Why use this tool?
- Pretty-print and minify JSON
- Instantly spot JSON syntax errors
- 100% free with no sign-up
- Works in your browser — nothing is uploaded
Frequently Asked Questions
Does it validate JSON?
Yes, it shows an error if your JSON is invalid.
Is this json formatter free?
Yes, it is completely free to use with no account required.