Kitvilo

JSON Formatter and Validator

Validate JSON syntax, format or minify whitespace, then copy or save the result.

Inputs are not sent to or stored on a server.

Result

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Getting started

Validate JSON syntax, format or minify whitespace, then copy or save the result.

Rules and limits

Only whitespace changes: large number text, key order and duplicate keys survive. Not schema validation. UTF-8 input 1MiB, depth 200, output 8MiB maximum.

Sources consulted

RFC 8259 ↗