FREEPDF

JSON Formatter

JSON Formatter checks your JSON text for validity and reformats it with clean indentation — or minifies it down to a single line.

How to use

  1. 1Paste your JSON text.
  2. 2Click "Format" or "Minify".
  3. 3Copy the result.

Why FREE PDF?

  • Completely free
  • No account required
  • Processing happens in your browser whenever possible
  • Your files stay yours

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Frequently Asked Questions

What happens with invalid JSON?

The tool shows a message indicating where the error is.