JSON Formatter
Format, validate, and minify JSON data instantly. Detect syntax errors, copy formatted output, and choose your indentation level.
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What is JSON?
JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write, and easy for machines to parse and generate. It is the standard format for APIs, configuration files, and data storage in modern web development.
JSON Data Types
- Object: { "key": "value" }
- Array: [1, 2, 3]
- String: "hello world"
- Number: 42, 3.14
- Boolean: true, false
- Null: null
Frequently Asked Questions
JSON formatting (or prettifying) adds indentation and line breaks to JSON data to make it human-readable. Raw JSON is often minified (all whitespace removed) for transmission, but formatted JSON is much easier to read and debug.