JSON Formatting Guide
Learn how to format, validate, and optimize your JSON data.
What is JSON?
JSON (JavaScript Object Notation) is a lightweight data interchange format.
JSON Data Types
- String - Text in double quotes
- Number - Integer or floating point
- Boolean - true or false
- Array - Ordered list of values
- Object - Key-value pairs
- null - Empty value
Pretty Print
Format JSON with proper indentation for better readability.
{
"name": "John",
"age": 30
}
Minify JSON
Remove whitespace to reduce file size for transmission.
{"name":"John","age":30}
Common JSON Errors
- Trailing commas - Remove comma after last item
- Missing quotes - Wrap keys in double quotes
- Single quotes - Use double quotes for strings
JSON Validator Features
- Syntax checking
- Error highlighting
- Format conversion
- Tree view
Common Use Cases
- API Responses - Data exchange between servers
- Configuration - Store application settings
- Data Storage - NoSQL databases
- Serialization - Object transfer