Produces RFC 4122 version 4 UUIDs using the browser’s cryptographic random source — the same quality of randomness you would get server-side, with none of the round trip.
Runs entirely in your browser
TechToolsHQ is an independent, reader-supported tech platform. If this free tool saved you time, solved a problem, or helped your workflow, consider supporting our work. Your support helps us keep our utilities 100% free, private, and ad-free for everyone.