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JSON Formatter & Validator

Format, validate, and minify JSON data

JSON Input

1 lines | 0 characters

Formatted Output

Enter valid JSON to see the formatted output

Format, validate, and beautify your JSON data with our free online tool. Paste messy JSON and get perfectly indented output with syntax highlighting. Minify for production or prettify for readability. Instant error detection helps you fix malformed JSON.

How to Use

  1. 1Paste your JSON data in the input field
  2. 2Choose indentation level (2 or 4 spaces, or tabs)
  3. 3Click 'Format' to beautify or 'Minify' to compress
  4. 4View syntax-highlighted output with error detection
  5. 5Copy or download the formatted JSON

Frequently Asked Questions