UUID/GUID Generator
Generate Universally Unique Identifiers in multiple versions and formats
Single UUID Generation
Bulk UUID Generation
UUID Validation
UUID Version Information
UUID v1 (Time-based)
Based on timestamp and MAC address. Guarantees uniqueness across space and time.
UUID v4 (Random)
Generated using random or pseudo-random numbers. Most commonly used version.
UUID v7 (Time-ordered)
Newest version with improved sorting properties and timestamp-based ordering.
GUID (Microsoft)
Microsoft's implementation of UUID, typically displayed in uppercase.