JSON Formatter
Format, validate & minify JSON
Paste your JSON to format it with proper indentation, validate syntax, or minify for production. Errors are highlighted with line numbers.
Indent
Formatted JSON will appear here...About JSON
JSON (JavaScript Object Notation) is a lightweight data interchange format. It's easy for humans to read and write, and easy for machines to parse and generate.
Human Readable
JSON uses a clear key-value structure that's easy to understand at a glance.
Language Independent
Supported by virtually every programming language with built-in parsers and serializers.
Web Standard
The de facto standard for API communication and configuration files in web development.
JSON Data Types
| Type | Example | Description |
|---|---|---|
| String | "hello" | Text wrapped in double quotes |
| Number | 42, 3.14 | Integer or floating point |
| Boolean | true, false | Logical true or false |
| Array | [1, 2, 3] | Ordered list of values |
| Object | {"key": "val"} | Key-value pairs |
| Null | null | Empty or undefined value |