UUID generator
Create unique IDs for databases, testing and software, instantly and in bulk.
How to use the UUID generator
- Choose how many UUIDs.
- Pick the format.
- Copy or download the list.
When it's useful
- Database record IDs
- Test data
- Unique file or order references
Limits to know
- Up to 1,000 per batch.
Your privacy
Everything is worked out in your browser. What you type isn't uploaded, saved or shared, and there's no sign-up.
Questions
Can two UUIDs be the same?
In practice no. A v4 UUID has 122 random bits, so a repeat is astronomically unlikely.