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UUID Generator

Generate unique identifiers instantly

Click Generate

What is UUID?

UUID (Universally Unique Identifier) is a 128-bit identifier that is unique across all devices and time. It's commonly used for database primary keys, session IDs, and distributed systems.

Format: xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx (Version 4 - Random)

UUID Versions

Version 1: Based on timestamp and MAC address

Version 4: Randomly generated (most common)

Version 5: Based on namespace and name using SHA-1