JSON Formatter & Validator
Paste JSON to format, validate or minify it instantly in your browser.
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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 based on a subset of JavaScript and is language-independent.
Format
Prettify minified JSON with configurable indentation for readability.
Validate
Check JSON syntax instantly — parse errors are highlighted with a description.
Minify
Remove all whitespace to produce compact JSON ready for production or APIs.