JSON Formatter Online

Beautify, minify, and validate JSON instantly with our fast and free online JSON formatter.

What is JSON Formatter?

A JSON formatter helps you format, beautify, and validate JSON data by converting it into a structured and readable format with proper indentation.

Features

  • Beautify JSON with proper indentation
  • Minify JSON to reduce file size
  • Validate JSON and detect errors instantly
  • Supports large JSON files
  • Syntax highlighting for better readability

Use Cases

  • Debug API responses
  • Format JSON data for readability
  • Prepare JSON for production use
  • Validate JSON before sending to backend
  • Work with structured data efficiently

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Input Requirements

Input must be valid JSON format. The formatter will automatically detect errors and help you fix invalid JSON structures.

Example

Input (Minified JSON):

{"name":"John","age":30,"city":"New York"}

Output (Formatted JSON):

{
  "name": "John",
  "age": 30,
  "city": "New York"
}

Related Tools

Try related tools:CSV to JSON,JSON to CSV,JSON Validator