Create random version-4 UUIDs (also called GUIDs) from your browser’s secure random generator, one or thousands at a time, in the format you need.
loading toolHow to generate UUIDs
- Choose how many.
- Pick UPPERCASE, hyphens or braces.
- Copy or download them.
Questions
Can two UUIDs ever be the same?
In practice no: there are 2¹²² possible v4 UUIDs.
Is my data private?
Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.
Is it free?
Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.
