UUID3 Generator

Generate name-based UUIDs using MD5 hashing

UUID3

Click 'Generate' to create your first UUID3

History

History is stored locally only and not sent to any server

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Technical Details

Version
3 (Name-based)
Length
36 characters
Format
8-4-4-4-12
Algorithm
MD5 Hash

Structure Breakdown

Namespace Hash (32 bits):MD5 of namespace
Name Hash (32 bits):MD5 of name
Version (4 bits):3
Variant (2 bits):10

Applications & Security

Deterministic Generation

Same namespace and name will always produce the same UUID. This provides consistency but may be predictable.

Best Use Cases

  • Name-based identifiers
  • Cache keys and content addressing
  • Content-based addressing
  • Legacy system integration

Technical Characteristics

Predictability:
Deterministic
Security Level:
MD5 (Legacy)
Collision Risk:
Low
Performance:
Fast