List of UUID Generators

Version-1 UUID Generator

Version-1 UUIDs are a generated based on the current time, MAC Address, and a randomly generated number.

Generate v1 UUIDs »
Version-3 UUID Generator

Version-3 UUIDs are deterministic based on MD5 hash of name and namespace.

Generate v3 UUIDs »
Version-4 UUID Generator

Version-4 UUIDs randomly generated for when uniqueness is needed.

Generate v4 UUIDs »
Version-5 UUID Generator

Version-5 UUIDs are deterministic based on SHA-1 hash of name and namespace.

Generate v5 UUIDs »
Timestamp-First UUID Generator

Timestamp-first UUIDs are designed to be stored efficiently in indexed database columns.

Timestamp-first UUIDs »
Bulk UUID Generator

Generate up to 100 version-1, version-4 or timestamp-first UUIDs instantly.

Bulk UUIDs »
UUID Decoder

Decode UUIDs to extract version number, variation, and (in some cases) MAC Address and creation time.

UUID Decoder »

Why is version-2 missing?