JSON Formatter

Format, validate, and minify JSON data. All processing happens in your browser.

Keyboard Shortcuts:

  • Ctrl/Cmd + Enter - Format JSON
  • Ctrl/Cmd + M - Minify JSON

Privacy: All JSON processing happens locally in your browser using native JSON.parse() and JSON.stringify(). No data is sent to any server.

About JSON Formatting

JSON (JavaScript Object Notation) is a lightweight data-interchange format that's easy for humans to read and write, and easy for machines to parse and generate. Proper formatting makes JSON much more readable for developers.

Features:

  • Format and beautify JSON with custom indentation
  • Minify JSON to reduce file size
  • Validate JSON syntax with helpful error messages
  • Syntax highlighting for better readability
  • Copy formatted output to clipboard
  • Keyboard shortcuts for quick actions

Common Use Cases:

  • Debug API responses
  • Format configuration files
  • Validate JSON structure
  • Clean up minified JSON
  • Prepare JSON for documentation
  • Compare JSON objects