JSON Formatter & Validator

Format, validate, beautify and minify JSON data. Validate syntax, fix errors, and make JSON readable for development and debugging.

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Paste or type your JSON data above
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Results will be displayed here

Examples & Use Cases

Common JSON Formatting Examples

Minified → Beautified:

Input: {"name":"John","age":30,"city":"New York"}

Output:

{
  "name": "John",
  "age": 30,
  "city": "New York"
}

Array formatting:

[
  {
    "id": 1,
    "name": "Product A"
  },
  {
    "id": 2,
    "name": "Product B"
  }
]
JSON Validation Errors

Common Syntax Errors:

  • Missing quotes: {name: "John"} → {"name": "John"}
  • Trailing comma: {"name": "John",} → {"name": "John"}
  • Single quotes: {'name': 'John'} → {"name": "John"}
  • Unescaped strings: {"text": "He said "hello""} → {"text": "He said \"hello\""}

Common Use Cases

  • API Development: Format API responses for better readability
  • Configuration Files: Beautify config files like package.json, tsconfig.json
  • Data Processing: Validate JSON data before processing
  • Debugging: Format minified JSON for easier troubleshooting
  • Code Review: Make JSON files more readable for team review
  • Minecraft Development: Format JSON files for resource packs, data packs, and behavior packs

Format Options Explained

Format Types:

  • Beautify: Formats JSON with proper indentation and line breaks
  • Minify: Removes all unnecessary whitespace and line breaks
  • Validate Only: Checks syntax without changing formatting

Indent Options:

  • 1 Space: Minimal indentation for compact formatting
  • 2 Spaces: Standard for most projects (default)
  • 4 Spaces: Common in some coding standards
  • 8 Spaces: Maximum indentation for deep nesting
  • Tab: 4 spaces (standard tab equivalent)

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