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UUID Generator
Generate v4 (random) UUIDs that follow RFC 4122. One UUID, or thousands at a time, in milliseconds.
Private - runs in your browser
No signup required
Free forever
How to use UUID Generator
- Pick how many UUIDs to generate.
- Click Generate.
- Copy individual values or the whole list.
Features
- RFC 4122 v4 random UUIDs
- Bulk generation up to 1000
- Cryptographically secure
Why use it
- Database primary keys
- Test data
- Idempotency tokens
Frequently asked questions
Are these collisions safe?
v4 UUIDs use 122 bits of randomness - the chance of collision is effectively zero for any reasonable workload.