FastTextTools

JSON Formatter

Beautify, minify, and validate JSON with syntax highlighting. Paste your JSON to instantly format it and catch errors.

Indent:
Formatted JSON will appear here

How to Use

  1. 1Paste or type your raw JSON into the input textarea on the left.
  2. 2Choose Beautify to pretty-print the JSON or Minify to compress it into a single line.
  3. 3Adjust the indent size (2 or 4 spaces) when using Beautify mode.
  4. 4If the JSON is invalid, a red error banner will appear showing what went wrong and where.
  5. 5Use the Copy button to copy the formatted output to your clipboard, or Clear to start over.