Online UUID Generator

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About uuid-generator.com

This UUID generator provides unique identifiers by using Microsoft's(r) implementation named GUID (Global Unique Identifier).

The UUIDs provided are generated using version 4 implementation of the UUID-standard which is only based on random numbers. Previous versions were based on the servers MAC-Address (among others). Learn more about UUIDs

Is this ID really unique?

The annual risk of a given person being hit by a meteorite is estimated to be one chance in 17 billion, which means the probability is about 0.00000000006 (6 × 10−11), equivalent to the odds of creating a few tens of trillions of UUIDs in a year and having one duplicate. In other words, only after generating 1 billion UUIDs every second for the next 100 years, the probability of creating just one duplicate would be about 50%. (Source: stackoverflow.com)

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