JSON Formatter & Validator

Format, minify, and validate JSON with syntax highlighting and error detection.

About JSON Formatter & Validator

Read, debug, and optimize your JSON data with our professional-grade Formatter and Validator. This tool takes messy, minified JSON and transforms it into a beautifully indented, human-readable structure. It also includes an advanced validation engine that highlights syntax errors and provides helpful tips for fixing them.

Key Features

  • Pretty-print with custom indentation
  • High-speed JSON minification
  • Deep syntax validation and error reporting
  • Interactive collapsible tree view
  • Instant schema-ready output

Frequently Asked Questions

How do I fix "Invalid JSON"?

Our validator will highlight the exact line and character where the error occurs, usually a missing comma or an unclosed quote.

Can I minify my JSON?

Yes, our tool has a "Minify" button that removes all unnecessary whitespace for production use.