UUID Generator
Generate UUID v1 and v4 values in bulk.
How to Use
- 1
Choose UUID version
Select v1 (time-based) or v4 (random) depending on your use case.
- 2
Set quantity
Enter how many UUIDs you need — generate 1 to 100 at a time.
- 3
Click Generate
UUIDs are generated instantly using your browser's secure random number generator.
- 4
Copy the results
Copy individual UUIDs or all at once with the Copy All button.
Frequently Asked Questions
A UUID (Universally Unique Identifier) is a 128-bit identifier that is practically guaranteed to be unique. Use UUIDs as primary keys in databases, as request IDs for tracing, or anywhere you need a unique reference without a central authority.
Yes. Specify how many UUIDs you need and the tool will generate them all instantly. You can copy the full list to your clipboard in one click.
Version 4 UUIDs are generated using a cryptographically secure random number generator. The probability of a collision is astronomically low — around 1 in 5.3 × 10^36.