How uuid generator works
Generates random version-4 UUIDs with the browser’s Web Crypto API.
Try an example
Each UUID has the form xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx.
Good to know
UUIDs provide practical uniqueness, not a permission system or guaranteed collision impossibility.
Your privacy
Processing happens on this device. We do not upload your input, put it in share links or save it to your favourites. Closing this tab discards the working input; downloaded results remain wherever you save them.