UUID / GUID Generator - Generate unique IDs online for free.
Easily create unique UUIDs or GUIDs with our free online generator. Perfect for developers, software projects and database management where unique identifiers are needed.
Easily create unique UUIDs or GUIDs with our free online generator. Perfect for developers, software projects and database management where unique identifiers are needed.
A UUID (Universally Unique Identifier), also called a GUID (Globally Unique Identifier), is a 128-bit number used to uniquely identify information in computer systems. The chances of two randomly generated UUIDs being the same are astronomically small.
Version 4, the most common, is based entirely on random numbers. This makes it ideal for generating unique IDs for database records, sessions, or transactions without the need for a central authority. This tool uses your browser's cryptographically secure `crypto.randomUUID()` API to ensure the highest level of randomness.