UUID generator
UUID v4 in one click
This generator produces random version 4 UUIDs, the unique identifiers used for database keys, API references or file names. You can create just one or many at once to populate a test dataset.
The UUIDs are drawn at random right in your browser: no network request, no tracking and no ads.
FAQ
What is a UUID v4?
It is a 128-bit identifier generated at random, designed to be unique without central coordination.
Can two UUIDs be identical?
The probability of a collision is so low that it is considered negligible in practice.
Can I generate several at once?
Yes, enter the number you want and the tool produces the whole list.
Are the UUIDs generated on a server?
No, they are created locally in your browser.