Check whether a string is a properly formatted UUID and, when it is, read back its version and variant. It verifies the 8-4-4-4-12 hex structure and the RFC 4122 bits entirely in your browser.
UUID Validator is a quick, no-nonsense developer utility that runs entirely client-side, so your code and data never leave your machine.
Whether the string is a valid UUID, and if so its version (1–8) and variant.
No — it validates format only; uniqueness depends on how it was generated.
No — validation is local.