JSON Formatter & Validator Online

Paste your JSON to format, validate, and beautify it with proper indentation. Detects syntax errors and supports minification.

About JSON Formatter

Paste your JSON to format, validate, and beautify it with proper indentation. Detects syntax errors and supports minification. This tool runs entirely in your browser - no data is sent to any server. Your code and data stay private and secure.

How to Use

  1. Enter or paste your input in the field above
  2. Select any options if available
  3. Click "Process" or "Generate" to see results
  4. Use the "Copy" button to copy output to your clipboard

Related Format Tools

HTML Prettifier CSS Formatter SQL Formatter XML Formatter