Generate a Truely Unique UUID

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

76b2f1e1-571a-40fe-9d67-e138ca1f7b94The URI for this is: https://rfc4122v4.api.tuuid.com/76b2f1e1-571a-40fe-9d67-e138ca1f7b94

1591842 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?