Features
- • Real-time JSON formatting and beautification
- • JSON minification and compression
- • Real-time syntax error detection and hints
- • One-click copy results
- • Quick example JSON filling
- • Support for nested objects and arrays
- • Instant validation feedback
How to Use
- 1. Paste or enter JSON in the left input box
- 2. The right side will display formatted results in real-time
- 3. Error information will be shown on the right when format is incorrect
- 4. Click "Minify" button to compress JSON
- 5. Use copy button to copy results
- 6. Click "Example" to view sample JSON
Common JSON Use Cases
Format API responses and request payloads for better readability during development and debugging.
Beautify configuration files like package.json, tsconfig.json, and other JSON-based configs.
Format JSON data for data migration, import/export operations, and system integrations.
JSON Formatting Tips
Use 2 or 4 spaces for consistent indentation. Our formatter uses 2 spaces by default.
Use camelCase or snake_case consistently throughout your JSON structure.
Ensure proper data types: strings in quotes, numbers without quotes, booleans as true/false.
API Response Example
{
"status": "success",
"data": {
"users": [
{
"id": 1,
"name": "John Doe",
"email": "[email protected]",
"active": true
}
],
"pagination": {
"page": 1,
"limit": 10,
"total": 100
}
}
}Configuration File Example
{
"name": "my-project",
"version": "1.0.0",
"scripts": {
"start": "node server.js",
"dev": "nodemon server.js",
"test": "jest"
},
"dependencies": {
"express": "^4.18.0",
"mongoose": "^6.0.0"
}
}What is JSON and why format it?
JSON (JavaScript Object Notation) is a lightweight data interchange format. Formatting JSON makes it human-readable with proper indentation and structure, essential for debugging, development, and data analysis.
Is this JSON formatter free to use?
Yes, our JSON formatter is completely free with no registration required. You can format, beautify, validate, and minify unlimited JSON data without any restrictions.
Does this tool validate JSON syntax?
Yes, our tool provides real-time JSON validation. It instantly detects syntax errors, missing brackets, incorrect quotes, and other common JSON formatting issues with detailed error messages.
Can I minify JSON for production use?
Absolutely! Use the "Minify" button to compress your JSON by removing unnecessary whitespace and formatting. This reduces file size for production APIs and faster data transmission.
Is my JSON data secure and private?
Yes, all JSON processing happens locally in your browser. We don't store, transmit, or access your JSON data. Your sensitive information remains completely private and secure.
What's the difference between formatting and minifying JSON?
Formatting (beautifying) adds proper indentation and line breaks for readability. Minifying removes all unnecessary whitespace to reduce file size. Use formatting for development and minifying for production.
Can I format large JSON files?
Yes, our tool can handle large JSON files efficiently. However, for very large files (>1MB), consider breaking them into smaller chunks for better browser performance.
Does this work with nested JSON objects?
Yes, our formatter handles deeply nested JSON objects and arrays perfectly. It maintains proper indentation levels and structure regardless of nesting complexity.