JSON Formatter

Answer: Paste raw JSON, tap Format to beautify it with indentation, or Minify to shrink it to one line. Invalid JSON shows a clear error.

Formatting runs entirely in your browser — your data stays on your device.

How to use this free JSON formatter

  1. Paste your JSON.
  2. Tap Format to beautify it, or Minify for a compact one-liner.
  3. Fix any error shown, then copy the result.