Quick Answer
GUID and UUID are essentially the same thing. Microsoft uses GUID, while the rest of the industry prefers UUID. Both use the same format.
Quick Template
Use the full UUID Generator
This variant is a fast preset. Open the full tool to fine-tune inputs, explore more options, and share the result.
About GUID Generator Online
How to Generate UUIDs
- Click the generate button (or it generates automatically)
- Copy the UUID with one click
- Generate multiple UUIDs if needed
- Use in your application, database, or API
UUID v4 Format
xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx- 8-4-4-4-12 character groups
- The
4indicates version 4 yis one of: 8, 9, a, or b- All other positions are random hex characters
Use Cases
- Database IDs: Primary keys for records
- API Requests: Correlation and tracking IDs
- File Names: Unique uploads without conflicts
- Sessions: User session identifiers
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