UUID Generator
Generate random RFC-4122 version-4 UUIDs. Cryptographically random, generated locally.
Generate random version-4 UUIDs (universally unique identifiers) instantly, using your browser's secure randomness. Make one or many at once.
How to use UUID
- Choose how many UUIDs you need.
- They are generated instantly.
- Copy a single UUID or the whole list.
- Regenerate any time.
Frequently asked questions
What is a UUID v4?
A 128-bit identifier generated from random data, formatted like 550e8400-e29b-41d4-a716-446655440000. It is effectively unique without any central registry.
Are these UUIDs truly random?
Yes. They use the browser's cryptographically secure random generator, so collisions are astronomically unlikely.
Is anything sent to a server?
No. UUIDs are generated locally in your browser.
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