UUID Generator
Generate UUID/GUID
Randomly generated UUID
Batch Generation
UUID Validator
About UUIDs
A UUID (Universally Unique Identifier) is a 128-bit identifier that is practically unique across space and time. UUIDs are commonly used for database primary keys, distributed systems, and anywhere unique identifiers are needed without coordination.
- v1: Time-based with MAC address
- v4: Random (most common)
- v7: Unix timestamp-based (sortable)