UUID Generator
Generate UUID v4 unique identifiers, supports batch generation
Input
Generated UUIDs
7a21b844-d78e-4de1-b44e-63e665bcade1
FAQ
What is a UUID?
A UUID (Universally Unique Identifier) is a 128-bit identifier, standard format is 36 characters (with hyphens).
How is UUID v4 generated?
UUID v4 uses random number generation: 122 bits are random, 6 bits identify the version and variant. Duplication probability is extremely low.
What are the UUID versions?
UUID has 5 main versions: v1 based on timestamp + MAC, v3/v5 based on namespace hash (MD5/SHA-1), v4 fully random (most common), v6 is a sortable version of v1.