JSON Formatter and Validator
Format, validate, and minify your JSON data with error detection and syntax highlighting.
How to Use the JSON Formatter?
Paste your JSON data below and choose an action: Format (beautify), Validate, or Minify your JSON.
What is JSON?
JSON (JavaScript Object Notation) is a lightweight, text-based data interchange format. It's easy for humans to read and write, and easy for machines to parse and generate. JSON is widely used in:
- Web APIs and REST services
- Configuration files
- Data storage and transmission
- AJAX communications
JSON Syntax Rules
- Data is in name/value pairs
- Data is separated by commas
- Curly braces hold objects
- Square brackets hold arrays
- Strings must be in double quotes
Common JSON Data Types
- String: "Hello World"
- Number: 42, 3.14
- Boolean: true, false
- null: null
- Object: {"key": "value"}
- Array: [1, 2, 3]
Tool Features
- Format: Beautify JSON with proper indentation and spacing
- Validate: Check if your JSON is syntactically correct
- Minify: Remove whitespace to reduce file size
- Error Detection: Get detailed error messages for invalid JSON