How to generate UUIDs
- Enter how many UUIDs you need, from 1 to 100.
- Choose uppercase or no hyphens if you need that format.
- Press Generate, then Copy all.
Questions and answers
What is a UUID?
A UUID is a 128-bit identifier written as 32 hexadecimal characters, usually split by hyphens. Developers use them as unique IDs for records, files and sessions.
Which version does this create?
Version 4, which is built from random numbers.
Can two UUIDs be the same?
A repeat is so unlikely that it is ignored in practice.
Are they stored or sent anywhere?
No. They are created in your browser using its secure random number generator.
Related tools: Hash Generator, Password Generator, Random Number Generator.