UUID / GUID Generator
Generate random Version-4 UUIDs (Universally Unique Identifiers) instantly.
About UUID / GUID Generator
A UUID (Universally Unique Identifier) is a 128-bit label used for information in computer systems. Version 4 UUIDs are generated using cryptographically secure random numbers.
Frequently Asked Questions
Are generated UUIDs unique?
Yes, UUID v4 uses 122 random bits. The probability of generating duplicate UUIDs is so low that it is practically impossible.
Is there a difference between UUID and GUID?
GUID (Globally Unique Identifier) is Microsoft implementation of the RFC 4122 UUID standard. Functionally, they are identical.