JSON Editor
Saved locally in your browser only
JSON Validation Error
What is JSON?
JSON (JavaScript Object Notation) is a lightweight, text-based data interchange format that's easy for humans to read and write, and easy for machines to parse and generate.
Fast & Lightweight
JSON is more compact than XML and faster to parse, making it ideal for web applications.
Human Readable
Easy to read and write by humans, with a clean and simple syntax structure.
Language Independent
Supported by virtually all programming languages and platforms.
JSON Syntax Example
{
"person": {
"name": "Alice Johnson",
"age": 28,
"isEmployed": true,
"address": {
"street": "123 Main St",
"city": "San Francisco",
"zipCode": "94102"
},
"phoneNumbers": [
"555-0123",
"555-0456"
],
"spouse": null
}
}
Common JSON Use Cases
API Communication
REST APIs use JSON to exchange data between client and server applications.
Configuration Files
Store application settings, preferences, and configuration data.
Data Storage
NoSQL databases like MongoDB store data in JSON-like document format.
Web Applications
Dynamic web content, AJAX requests, and single-page applications.
Data Exchange
Transfer data between different systems, platforms, and applications.
Microservices
Communication protocol between microservices in distributed architectures.
Tool Features
Everything you need for JSON editing and formatting
Format & Beautify
Automatically format and indent your JSON for better readability.
Real-time Validation
Instant feedback on JSON syntax errors and validation status.
Local Storage
Your data stays private and is saved locally in your browser.
Minify
Compress JSON by removing unnecessary whitespace and formatting.
Copy & Download
Easily copy to clipboard or download as a .json file.
Fast & Responsive
Works instantly in your browser with no server processing required.