UUID Generator - free online tool
Generate random version 4 UUIDs, one or many at a time.
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Privacy: this tool runs in your browser. Your input is not sent to our server.
How to use UUID Generator
Enter a number and press Generate.
Example
Example result: 3b241101-e2bb-4255-8caf-4136c566a962.
Frequently asked questions
What is a UUID?
A 128-bit identifier written as 32 hexadecimal digits in five groups.
Can two UUIDs collide?
The chance with version 4 is extremely small.