Generate UUID Online
UUIDs uniquely identify records, API resources, and distributed entities. Version 4 UUIDs are random and the default choice for new systems.
UUID versions explained
Irreva generates v4 using crypto.getRandomValues() — the same secure RNG browsers use for TLS.
- v4 — random (most common for IDs)
- v1 — timestamp-based (can leak MAC/time info)
- v5 — deterministic from a namespace + name
Frequently Asked Questions
Are generated UUIDs unique?
Collision probability is astronomically low for practical use (2^122 space).