UUID Generator
Version
Version 4 — Random
Version 7 — Time-ordered
Version 1 — Time-based
Version 5 — Name-based (SHA-1)
How many
Generate
Uppercase
No hyphens
Braces {}
Version 5 is deterministic — a namespace plus a name always produces the same UUID.
Namespace
DNS (6ba7b810-…)
URL (6ba7b811-…)
OID (6ba7b812-…)
X.500 (6ba7b814-…)
Custom UUID…
Name
Custom namespace UUID
Result
Copy all
Download .txt
Valid
—
Version
—
Variant
—
Timestamp
—
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UUID Generator by
Internet Tool Wizard