GUID
Updated: 11/12/2023 by Computer Hope
Short for globally unique identifier, GUID is also called a UUID (universally unique identifier) and is a unique 128-bit identification value. Below is an example of a GUID.
bc37d0c0-fcf2-11d9-8cd6-0800200c9a66
In the example above, the timestamp of Monday, July 25, 2005 3:59:05 A.M. MDT is encoded into the UUID.
Where is a GUID used?
A GUID or UUID is used anywhere a unique method of identification is required. Below are examples of where these might be used.
- Used to identify files in an operating system.
- Windows registry hardware and system settings.
- Used in databases to create a unique primary key.
- Unique identification for items in a game (e.g., Minecraft).
- Used to track a session in a browser.
Where can I creat a GUID?
Below are websites that can create a unique GUID. Programming languages also have generator classes, libraries, or modules that help generate these identifiers.