UUID Generator
Generate UUIDs in v1 and v4 formats with copy functionality
Click "Generate" to create UUIDs
UUID Versions
UUID v4 - Random-based UUID. Most commonly used for generating unique identifiers.
UUID v1 - Time-based UUID. Generated using the current timestamp and machine identifier.
Frequently Asked Questions
What is a UUID?
UUID (Universally Unique Identifier) is a 128-bit identifier used to uniquely identify information in systems.
What's the difference between UUID v1 and v4?
v1 is time-based while v4 is randomly generated. v4 is preferred for most use cases.
uuidguidgenerateuniqueidentifier