GUID Generator
Generate unique GUIDs (Globally Unique Identifiers) for your applications
Generate unique GUIDs (UUIDs) for your applications. Choose from different formats and generate single or multiple GUIDs.
Quick Presets
GUID Information
What is a GUID?
GUID (Globally Unique Identifier) is a 128-bit identifier that's virtually guaranteed to be unique across time and space.
Version 4 (Random)
Most common type, generated using random or pseudo-random numbers. Recommended for most applications.
Version 1 (Time-based)
Generated using MAC address and timestamp. Includes machine and time information.
Common Uses
Database primary keys, API identifiers, file names, registry entries, and distributed systems.