Sobre esta ferramenta
Generate UUIDs/GUIDs in batch with customizable count and uppercase. UUIDs are 128-bit globally unique identifiers for database keys, session IDs and distributed systems.
How to use
- Set the count (1-500)
- Optionally check "Uppercase"
- Click "Generate" and copy all
Example
Sample UUID: 550e8400-e29b-41d4-a716-446655440000.
FAQ
UUID vs GUID?
They are the same; GUID is Microsoft's term for UUID. UUID v4 is random-based with extremely low collision probability.
Are UUIDs good primary keys?
They work, but random UUIDs cause index fragmentation. Consider UUID v7 (time-ordered) or auto-increment.