JSON Formatter

Format, validate, and beautify your JSON data

Invalid JSON

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data format used in APIs, configuration files, and data exchange between servers. This tool formats messy JSON into readable, indented code and validates it for errors.

Features

Beautifies minified JSON with proper indentation

Validates JSON syntax and shows error location

One-click copy to clipboard

Handles large JSON files up to 5MB

Common Uses

  • API response debugging
  • Configuration file editing
  • Data analysis and exploration
  • Learning JSON structure