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Beautify, minify, and validate your JSON data instantly. A developer's best friend for debugging APIs.
Everything you need to know
JSON (JavaScript Object Notation) is the lingua franca of modern web development. It's the standard format for transmitting data between a server and web application, used by virtually every REST API. Understanding JSON is essential for any developer working with web technologies, mobile apps, or data processing.
JSON's popularity stems from its simplicity: it uses a human-readable text format consisting of key-value pairs and ordered lists. Unlike XML, it's lightweight and doesn't require complex parsing libraries.
Prettify (Beautify) is used during development and debugging. It adds indentation, line breaks, and spacing to make the JSON structure easy to read and understand.
Minify is used for production deployment. It removes all unnecessary whitespace to reduce file size, which speeds up data transfer and saves bandwidth.
Our JSON Formatter runs entirely in your browser using client-side JavaScript. Unlike online tools that send your data to a server, your JSON content never leaves your device. This makes it safe for handling sensitive data like API keys, configuration files, and user data.
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.
Raw JSON from APIs often comes minified (single line). A formatter makes it readable (pretty-printed) for debugging.
Yes. All validation and formatting happens in your browser. No data is sent to any backend.
Prettify adds indentation and line breaks for readability. Minify removes all whitespace to reduce file size for production.