JSON Formatter & Validator

Instantly format, validate, and beautify JSON. With syntax highlighting, minification, and error detection.

Paste valid JSON. Maximum 50,000 characters.

Use Cases

🔍
Validate JSON

Check if your JSON is syntactically correct

✨
Beautify

Format messy JSON for better readability

⊖
Minify

Reduce file size by removing whitespace

🔀
Sort Keys

Organize JSON objects alphabetically

How to Use

  1. Paste your JSON data into the input field
  2. Click Format to validate and beautify the JSON
  3. Review the formatted output
  4. Copy the JSON or download it as a file

How It Works

  • Validation: Checks if your JSON follows proper syntax rules
  • Formatting: Adds proper indentation for readability
  • Minification: Removes all unnecessary whitespace to reduce file size
  • Key Sorting: Organizes object keys alphabetically
  • Error Detection: Identifies and displays syntax errors with details
  • Pretty Print: Formatted output with consistent indentation