JSON Formatter

Validate, format and minify JSON. If something is wrong, the error shows the exact line and column.

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How to use JSON Formatter

  1. Paste your JSON in the Input box.
  2. Press Format for readable JSON, or Minify for the smallest size.
  3. Copy or download the result.

Your data stays with you

This tool runs entirely in your browser. What you paste or add is never uploaded to our server.