💻 Developer Tool

JSON Formatter & Validator

Format, beautify and validate JSON data instantly. Paste messy JSON and get clean, properly indented output. Perfect for developers debugging APIs.

100% FreeValidateBeautifyMinify
📋 JSON Formatter

✗ Invalid JSON

✓ Valid JSON

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data format used for APIs, configs and data storage. It's easy for humans to read and machines to parse.

Why Format JSON?

  • 🔍 Debug API responses faster
  • 📖 Read configuration files easily
  • 🔗 Share formatted data with your team
  • ⚡ Catch syntax errors before they cause bugs

Frequently Asked Questions

What's the difference between beautify and minify?
Beautify adds indentation and line breaks for readability. Minify removes all whitespace for smaller file size — useful for production.
Why is my JSON showing as invalid?
Common issues: trailing commas, missing quotes around keys, using single quotes instead of double, or unmatched brackets.