UUID generator
Generate random version 4 UUIDs, one or hundreds at a time.
How it works
UUIDs are created with your browser’s cryptographic random generator. The chance of two being identical is so small it can be ignored in practice.
Frequently asked questions
Is this tool free?
Yes. It’s free to use, with no account and nothing to install.
Is my data private?
Yes. This tool works entirely on your device: nothing you enter or open is sent to a server.
Does it work on a phone?
Yes. It works in the browser of any recent phone, tablet or computer.