JSON Formatter & Validator

Format, validate, minify, and beautify JSON instantly in your browser. Free, fast, and secure.

Configuration Panel

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About JSON Formatter

Our JSON Formatter is a free, client-side tool that helps you format, validate, and minify JSON data instantly. No uploads, no server processing—everything happens in your browser for maximum speed and privacy.

Features

  • check Format and beautify JSON with proper indentation
  • check Validate JSON syntax instantly
  • check Minify JSON to reduce file size
  • check 100% client-side processing

How to Use

  1. Paste or type your JSON in the input box
  2. Click "Format" to beautify or "Minify" to compress
  3. Click "Validate" to check for syntax errors
  4. Copy the result with one click