UUID Generator
Generate Universally Unique Identifiers (UUIDs) for your applications. Choose between different UUID versions and formatting options.
Settings
Generated UUIDs
About UUIDs
A Universally Unique Identifier (UUID) is a 128-bit label used to identify information in computer systems. When generated according to standard methods, UUIDs are unique across both space and time, with minimal chance of collisions.
UUID Version 1
Uses the current timestamp and the MAC address of the computer. This makes it possible to trace the UUID back to the computer that generated it.
UUID Version 4
Randomly generated. This is the most common type, offering strong guarantees of uniqueness and anonymity. Best for most general purposes.
Note: For security-critical applications, consider using a cryptographically-secure UUID generation method on your server.