Free utility

UUID Version 5 Generator

Derive a deterministic UUID from a namespace UUID and UTF-8 name.

Processing stays on this device. Your input is not uploaded, sent to an external service, or saved by Crow Tech.

Workbench

Inputs stay on this page. Use the explicit action to validate and produce a result.

UUID v5 is deterministic for the same namespace and UTF-8 name and uses browser Web Crypto SHA-1 as required by the UUID version.