JSON Beautifier

Format and beautify your JSON data with custom indentation

Indent:
0 tokens
0 characters
0 tokens
0 characters

📚 Example Usage

Minified JSON Input:

{"name":"John Doe","age":30,"email":"[email protected]","address":{"street":"123 Main St","city":"New York","zip":"10001"},"hobbies":["reading","coding","gaming"]}

Beautified Output (2 spaces):

{
  "name": "John Doe",
  "age": 30,
  "email": "[email protected]",
  "address": {
    "street": "123 Main St",
    "city": "New York",
    "zip": "10001"
  },
  "hobbies": [
    "reading",
    "coding",
    "gaming"
  ]
}

What is JSON Beautifier?

JSON Beautifier is a free online tool that formats and beautifies JSON data with proper indentation and line breaks. Transform minified, compressed, or messy JSON into clean, readable, and well-structured format instantly.

Key Features

  • Beautify JSON: Format minified JSON with customizable indentation (2, 4, or 8 spaces)
  • Minify JSON: Compress formatted JSON to reduce file size
  • Instant Validation: Automatically validates JSON syntax and shows error messages
  • Token Counter: GPT tokenizer shows exact token count for AI applications
  • File Upload: Upload .json files directly from your computer
  • Copy & Download: Quick copy to clipboard or download as .json file
  • Client-Side Processing: All formatting happens in your browser - your data stays private
  • Dark Mode: Eye-friendly interface for comfortable viewing

Why Use JSON Beautifier?

JSON beautifier makes it easy to:

  • Debug API responses and JSON data
  • Make configuration files readable
  • Format minified JSON from APIs
  • Validate JSON syntax before using in code
  • Share formatted JSON with team members
  • Reduce JSON file size with minification
  • Count tokens for GPT and other LLMs

How to Use

  1. Paste your JSON data or upload a .json file
  2. Select your preferred indentation (2, 4, or 8 spaces)
  3. Click "Beautify" to format or "Minify" to compress
  4. View formatted output with token and character count
  5. Copy to clipboard or download the result

Privacy & Security

Your JSON data never leaves your browser. All formatting and validation happens client-side using JavaScript, ensuring complete privacy and security for sensitive data.

Frequently Asked Questions