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ADAAT

JSON Formatter & Minifier

Local processing — your files never leave your device

Paste your JSON and get it neatly indented and easy to read, with any syntax error pinpointed, then switch to minified output in one click.

How to use

  1. 1Paste your JSON code.
  2. 2Choose "Format" or "Minify".
  3. 3If there's an error, its exact location and description will appear.

Features

  • Format with two or four spaces
  • Minify to the smallest size
  • Error detection with position
  • Copy and download the result

When to use this tool

Use it to inspect an API response, to tidy a config file, to unpack a single-line JSON blob, or to validate a payload before sending it.

FAQ

How do I find the error location in JSON?

When parsing fails, we show the error message along with its position (line and column) as reported by the browser's parser.