What is a GUID?
GUID stands for Globally Unique Identifier. It is a Microsoft implementation of the UUID standard using a 128-bit integer. Technically, a GUID is identical to a UUID in binary format, though the string representation may differ slightly in historical Windows contexts.
GUID vs UUID
In modern development, they are effectively synonyms.
- GUID: Terminology often used in the Microsoft ecosystem (C#, SQL Server, Windows).
- UUID: Terminology used in Linux, Java, and open standards (RFC 4122).
This generator creates standard v4 UUIDs which are fully compatible as GUIDs in Windows and SQL Server.