JSON Tools

JSON Formatter & Validator

Format, validate, and beautify JSON directly in your browser. Processing happens in your browser.

Formatted output

Read-only

Paste your JSON here to begin.

Enter JSON to generate formatted output.

About this tool

Format, validate, or minify JSON locally in your browser.

  • Formatting, validation, and minification modes
  • Processing happens entirely in your browser
  • No JSON Schema validation
  • No JSON5 or comment support