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JSON formatter

Pretty-print, minify and validate JSON with clear error positions.

Your data never leaves your browser and is never stored.

Result

How to use it

  1. Paste your JSON.
  2. Hit “Format” or “Minify”.
  3. If it’s invalid, you’ll see the line and column.

How it works

A quick way to read API responses and fix config files. Parsing happens in your browser and nothing is uploaded.

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