Generate a Truely Unique UUID

Watch this closely! You will never ever see this ID again at this place:

edef2028-d6d1-4690-91c4-effc94293831The URI for this is: https://rfc4122v4.api.tuuid.com/edef2028-d6d1-4690-91c4-effc94293831

1591798 truely unique UUID's were so far generated. Potential collisions prevented: 0

What is an UUID?

What means truely unique?

Is there a warranty for this service?