UUID Generator

Generate unique identifiers for databases, APIs, and applications

UUID v4
UUID v7
UUID v6
UUID v5
UUID v3
UUID v1
NIL UUID
GUID

UUID v5 Generator

Recommended

Generate deterministic UUID v5 identifiers using SHA-1 hash of namespace and name

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UUID version 5 generates deterministic identifiers using SHA-1 hash of namespace UUID and name string. More secure than v3 with better collision resistance. Same inputs always produce the same UUID.

RFC 4122SHA-1DeterministicName-basedSecure
Content-addressed storage
Distributed system coordination
Resource identification by name
Reproducible database keys

UUID Information

RFC 4122 Compliant

All UUIDs generated follow the official RFC 4122 standard.

Cryptographically Secure

UUID v4 uses cryptographically secure random number generation.

No Server Storage

All generation happens in your browser. Nothing is stored on our servers.