🆔 UUID Generator
Generate UUID v4 identifiers in bulk, with uppercase and no-hyphen options
✓ Runs entirely in your browser — your data never leaves this device
About This Tool
Generate UUID v4 (RFC 4122) in bulk using cryptographic randomness, with uppercase and no-hyphen options. Suitable for test data, database keys and distributed IDs.
How to Use
- Set how many UUIDs (1-500)
- Optionally enable UPPERCASE or no hyphens
- Click Generate and copy the list
FAQ
Can UUID v4 collide?
There are ~2^122 combinations; collisions are negligible — treat them as globally unique.
Is GUID the same thing?
Yes. GUID is Microsoft's name for UUID; v4 is the common random variant.