Format, validate, and beautify JSON data with our comprehensive online tool.
JSON Formatter & Validator
Format, validate, and beautify JSON data instantly
JSON Input
JSON Formatter Features
Format & Beautify
Transform messy JSON into beautifully formatted, readable code with proper indentation.
Validate Syntax
Check JSON syntax for errors and get detailed feedback on any issues.
Minify JSON
Compress JSON by removing unnecessary whitespace for production use.
Privacy First
All processing happens in your browser. Your JSON data never leaves your device.
Copy & Download
Easily copy formatted JSON or download as a file for your projects.
Real-time Processing
See results instantly as you type with live formatting and validation.
How to use JSON Formatter
Paste JSON
Copy and paste your JSON data into the input area.
Choose action
Select format, validate, or minify based on your needs.
Copy result
Copy the processed JSON or download it as a file.
JSON Examples
API Response
{
"status": "success",
"data": {
"users": [
{
"id": 1,
"name": "John Doe",
"email": "[email protected]"
}
],
"pagination": {
"page": 1,
"limit": 10,
"total": 100
}
}
}
Configuration
{
"database": {
"host": "localhost",
"port": 5432,
"name": "myapp"
},
"features": {
"auth": true,
"logging": false
}
}
Complex Object
{
"metadata": {
"version": "1.0.0",
"created": "2024-01-01T00:00:00Z"
},
"items": [
{
"type": "product",
"properties": {
"name": "Widget",
"price": 29.99,
"tags": ["electronics", "gadgets"]
}
}
]
}
JSON formatting and validation are essential skills for developers, data analysts, and API professionals working with modern web technologies. Our comprehensive JSON formatter and validator tool provides developers, system administrators, and data professionals with reliable methods to format, validate, and beautify JSON data with advanced syntax highlighting and error detection. Whether you're debugging API responses, preparing data for web applications, or validating JSON configuration files, this tool ensures proper JSON structure and formatting with industry-standard validation rules. The formatter supports customizable indentation, key sorting, and minification options, making it perfect for API development, data processing, and configuration management. All processing happens client-side using native browser APIs, ensuring your sensitive JSON data never leaves your device and maintaining complete privacy during formatting operations. Essential for web developers working with APIs, data analysts processing JSON datasets, and system administrators managing JSON configuration files.