JSON Formatter & Validator

Beautify, minify, and debug your JSON data

Input JSON
Output

Free Online JSON Formatter & Validator

Easily format, validate, and minify your JSON data. Our free online tool helps developers debug and prettify JSON code with syntax highlighting and error detection.

Key Features

  • Format (Prettify): Indent and organize messy JSON strings for better readability.
  • Validate: Instantly check if your JSON syntax is correct and find errors.
  • Minify: Remove whitespace to compress JSON for production use.
  • Syntax Highlighting: Color-coded output makes it easy to read data structures.

How to Use

  1. Paste your JSON code into the input editor.
  2. Click Format to beautify or Minify to compress.
  3. If there are errors, they will be displayed below the editor.
  4. Copy the result or download it as a .json file.

Privacy Note: All processing is done client-side in your browser. Your JSON data is never sent to our servers.