UUID Generator
Generate UUID v1, v4, and v7 in any quantity.
About UUID
UUID (Universally Unique Identifier) is a 128-bit unique identifier that allows collision-free ID generation in distributed systems without a central server.
Format: xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx
(M = version, N = variant bits)
Common uses:
• Database primary keys
• Session and token IDs
• Unique identifiers in distributed systems
• File and resource naming
UUID Version Comparison
| Version | Based On | Sortable | Use Case |
|---|---|---|---|
| UUID V1 | Timestamp + MAC | Yes | Distributed systems, log tracing |
| UUID V4 | Random | No | General purpose, session IDs |
| UUID V7 | Unix Timestamp | Yes | Modern DBs, time-ordered inserts |