KERVONI · FREE TOOL

JSON Formatter & Validator

Validate, format or minify JSON without changing number tokens.

0 / 200,000 character limit

Free local processing. Input and output are not sent to a server.

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About this tool

Validate JSON syntax, format with two-space indentation or minify. Original number tokens, duplicate keys and string escapes are preserved. This tool does not repair JSON or flag duplicate keys.

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