UUID Generator
Random version 4 UUIDs, one or up to 500 at a time.
Generated in your browser with its secure random source.
About the UUID Generator
UUID Generator makes random version 4 UUIDs, from one up to 500 at a time, using your browser's secure random source. Use them as database keys, file names or unique IDs.
How to use it
- Choose how many.
- Copy them, or generate a new set.
Example
A version 4 UUID looks like 3b241101-e2bb-4255-8caf-4136c566a962: 32 hex digits in five groups, with a 4 marking the version.
Questions
Can two UUIDs clash?
In practice, no. There are about 5 × 10³⁶ possible version 4 UUIDs.
Are they secret?
They're random but not meant as passwords. Use the Password Generator for secrets.
Uppercase or lowercase?
They're lowercase, the standard form. Use the Case Converter if you need uppercase.