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JSON Formatter

Prettify, minify and validate JSON data with one click.

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How to use JSON Formatter

  1. 1Paste your JSON data into the input area.
  2. 2Click "Prettify" to format it with indentation, or "Minify" to compact it.
  3. 3Validation runs automatically — errors are shown with the line number.
  4. 4Copy the formatted output or download it as a .json file.