Generate secure UUID v4 identifiers instantly.
The UUID Generator creates universally unique identifiers (UUIDs/GUIDs) for databases, applications, APIs, distributed systems, and software development projects. These identifiers are designed to be globally unique, making them ideal for records that must remain distinct across multiple systems.
UUIDs are widely used in modern software because they reduce the risk of duplicate identifiers without requiring centralized coordination. They appear in databases, cloud platforms, authentication systems, mobile applications, and enterprise software where uniqueness is critical.
Simply generate one or multiple UUIDs instantly and copy them into your project. Developers, database administrators, software architects, and DevOps teams use UUIDs for primary keys, session identifiers, resource tracking, and distributed computing.
Whether you're building web applications or enterprise systems, the UUID Generator provides reliable identifiers ready for immediate use.
A UUID (Universally Unique Identifier) is a 128-bit identifier designed to be unique across systems without requiring a central authority.
UUIDs are widely used in software development, databases, APIs, cloud applications and distributed systems.
This utility runs entirely in your browser, so nothing you type is sent to a server or stored anywhere — it is meant for quick, one-off use during everyday web, writing or development work.
Enter your text or adjust the settings above — the tool updates instantly in your browser as you interact with it, with no upload step, no waiting and no account needed.
A few practical tips:
This tool generates Version 4 UUIDs using your browser's built-in cryptographic random number generator whenever available.
A UUID is a universally unique identifier commonly used to identify records, objects and resources.
Yes. Version 4 UUIDs are generated using random values and provide an extremely low probability of duplication.
No. UUIDs are generated locally in your browser and are never transmitted or stored.
Yes. Everything runs locally in your browser — nothing you enter is uploaded or stored on our servers.
No installation is required. It works directly in any modern browser on desktop or mobile.
Yes, it's free to use for personal, educational and commercial purposes.