UUID v4 Generator
Create universally unique identifiers for database keys, request IDs and test fixtures.
How to use the UUID Generator (v4)
- 1Choose how many UUIDs you need.
- 2Press Run.
- 3Copy the list.
UUID Generator (v4) FAQ
Version 4 UUIDs have 122 random bits; the chance of a collision is negligible for any real-world workload.
UUIDs avoid guessable IDs and work well across distributed systems; auto-increment IDs are smaller and faster to index.