JSON Formatter

Beautify, indent and validate messy JSON in one click.

How to use JSON Formatter

  1. Paste or upload your JSON data.
  2. Click Beautify JSON.
  3. Copy or download the formatted JSON result.

JSON Formatter

Paste minified or messy JSON to pretty-print it with 2-space indentation. Invalid JSON is reported so you can fix syntax errors. Everything runs in your browser.

Is my data uploaded?
No. The conversion runs entirely in your browser using JavaScript.
Is there a size limit?
Only your device's memory; there are no server-side limits.

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