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JSON Formatter

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Format and validate JSON with configurable indentation, syntax highlighting, error detection, and path navigation. Minify or beautify with one click.

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Frequently Asked Questions

What is JSON formatting?

JSON formatting (or pretty-printing) adds consistent indentation and whitespace to JSON data, making it human-readable. Minification does the opposite, removing all whitespace to reduce file size.

How do I validate JSON?

Paste your JSON into the formatter and click Format. Any syntax errors will be highlighted with descriptive error messages showing exactly where the problem is.

What's the difference between JSON and JSONC?

JSONC (JSON with Comments) allows comments in JSON files, used in configs like tsconfig.json. Standard JSON does not support comments.