How to use the UUID Generator
- 1Choose how many UUIDs you need.
- 2Select Generate.
- 3Copy one UUID or the whole list.
Supported formats and limits
- UUIDs are version 4 (random), generated with crypto.randomUUID or crypto.getRandomValues.
- Up to 100 UUIDs per run.
- Nothing is stored; refreshing generates new values.
Common uses
- Assigning IDs in a database seed script.
- Naming temporary files uniquely.
- Testing code that expects UUID input.
Frequently asked questions
Are these UUIDs unique?
Version 4 UUIDs have 122 random bits. The chance of a collision is astronomically small and they are widely used as unique identifiers.