UUID Generator
UUID Version:
v1 – Time-based (MAC + time)
v3 – Name-based (MD5)
v4 – Random (most common)
v5 – Name-based (SHA-1)
v6 – Time-ordered (new)
v7 – Unix ms + random (new)
Namespace UUID (e.g. 6ba7b810-9dad-11d1-80b4-00c04fd430c8):
Name to hash (e.g. https://example.com or user123):
Generate UUID
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