About this tool
UUIDs are unique identifiers used for database keys, test data and tracking IDs. Generate as many as you need.
How to use UUID Generator
- Choose how many UUIDs you want.
- Set optional formatting such as upper case.
- Click Generate and copy the list.
Frequently asked questions
Are the UUIDs truly unique?
Version 4 UUIDs are random, and the chance of two matching is negligible in practice.
Are they generated securely?
Yes. They use your browser's cryptographic random number generator.