UUID / GUID Generator
Generate unique identifiers (UUIDs/GUIDs) with customizable format options. Fast and secure.
How to Use the UUID Generator
A UUID (Universally Unique Identifier) is a 128-bit identifier used to uniquely identify information in computer systems. UUIDs are commonly used in databases, distributed systems, and APIs to ensure unique identification without central coordination.
Our UUID generator uses the cryptographically secure crypto.randomUUID() method to generate version 4 UUIDs, which are randomly generated. You can customize the output format by toggling hyphens and uppercase options. Generate multiple UUIDs at once by adjusting the count slider.
UUIDs are essential for developers working with distributed systems, microservices, and databases where unique identifiers are required. They eliminate the need for a central authority to assign unique IDs, making them perfect for distributed architectures.