UUID Validator

Check UUID syntax locally across hyphenated, compact, braces, and URN forms and report detected version/variant metadata.

UUID values — one per line

—Valid

—Invalid

—Versions found

128Bits per UUID

ReadyChecks UUID textual 128-bit syntax and reports version/variant bits. A structurally valid UUID is not proof that an identifier was generated by a trusted source.

How to use this UUID Validator

Validate UUID text and inspect canonical form, version bits, and RFC variant bits. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.