UUID Generator
Generate different versions of UUID/GUID with bulk generation support
UUID Configuration
Generated UUIDs
Click "Generate" to create UUIDs
UUID Information
UUID Version 4 (Random)
- • Generated using random or pseudo-random numbers
- • Most commonly used version
- • 122 bits of randomness
- • No information leakage
UUID Version 1 (Timestamp)
- • Based on timestamp and MAC address
- • Guarantees uniqueness across time
- • Can reveal generation time
- • Less commonly used due to privacy concerns
Use Cases
• Database primary keys
• API request IDs
• Session identifiers
• File naming
• Distributed systems
• Microservices communication