UUID Generator
Generate random UUIDs (Universally Unique Identifiers). Create UUID v4, GUIDs, and multiple UUIDs at once. Free online UUID generator.
1
Generated UUID
550e8400-e29b-41d4-a716-446655440000
📖 About UUID
UUID = Universally Unique Identifier
A 128-bit number used to identify information in computer systems.
550e8400-e29b-41d4-a716-446655440000
8 hex -
4 hex -
VersionVariant -
4 hex -
12 hex
| v1 | Time + MAC address |
| v4 | Random (most common) |
| Nil | All zeros (00000000...) |
💡 Common Uses
- Database primary keys
- API request tracking
- File naming
- Session identifiers
- Distributed systems
How to Generate UUIDs
Create unique identifiers in 2 steps
1
Choose Settings
Select version, format, and quantity.
2
Copy UUID
Click generate and copy your UUID instantly.
Related Generator Tools
Explore more tools in the generator tools category