JSON Formatter

JSON Input 0 characters
1
Formatted Result
Formatted JSON will appear here...

Formatting Rules

  • 2 or 4 space indentation (configurable)
  • Proper line breaks for objects and arrays
  • Colon spacing consistency
  • Automatic error detection and correction
  • Preserves original JSON structure

Common Formatting Issues

ErrorExampleFix
Missing quotes{ key: "value" }{ "key": "value" }
Inconsistent indentationMixed tabs/spacesChoose either tabs or spaces
Unclosed brackets{"a": [1, 2{"a": [1, 2]}

Pro Tips

  • Use the Format button to automatically fix indentation
  • Click Sample to see properly formatted JSON
  • Minify before deploying to production
  • Copy/Paste your JSON to validate before formatting