Runs locally
UUID Generator
Version 4 UUIDs from the browser CSPRNG.
Ctrl+Enter runs. Ctrl+Shift+Backspace clears.
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Generates one or several UUIDs locally.
About this tool
Get unique identifiers for database rows, test fixtures or API requests. Choose how many you need and copy the list; every UUID comes from the browser's secure random source.
How to use it
- 01
Enter how many UUIDs you need.
- 02
Generate them.
- 03
Copy the list.
FAQ
Frequently asked questions
Which UUID version is generated?
Version 4, built from 122 random bits.
Can two UUIDs collide?
In practice no; the chance is so small that it can be ignored for any real system.