UUID Generator
Generate unique UUID v4 identifiers instantly. Customize the quantity and format, then copy or download your results with one click.
Generator settings
Customize your UUID output.
Generated UUIDs
Your unique identifiers appear here
Ready to generate
Choose your UUID format and quantity, then click the generate button to create unique identifiers.
What is a UUID Generator used for?
A UUID Generator creates a 128-bit Universally Unique Identifier, which is a standardized 36-character string of letters, numbers, and hyphens. Developers, database administrators, and software engineers use these unique codes to identify items, database records, sessions, and transactions across different systems without worrying about naming conflicts.
Which version of UUID does this tool generate?
This online UUID generator produces Version 4 UUIDs by default. Version 4 relies entirely on cryptographically strong random numbers, ensuring that each generated identifier is virtually impossible to guess or replicate across independent applications.
Can I generate multiple UUIDs at the same time?
Yes. Instead of creating identifiers one by one, you can specify the exact quantity you need in the input field. The tool will instantly output a clean list of bulk keys that you can easily copy with a single click.
Are the generated UUIDs guaranteed to be unique?
While mathematically not absolute zero, the chance of generating two identical Version 4 UUIDs is so astronomically low that it is practically zero. You can safely use them as primary keys or transaction IDs in production environments without collision risks.
Is this random UUID generator completely free to use?
Yes, it is a free UUID generator with no hidden costs, daily usage caps, or registration requirements. You can generate as many unique keys as your project demands directly from your web browser.
Is it safe to use these generated identifiers in production databases?
Yes. The generation happens client-side in your web browser using modern crypto-grade randomness. None of the identifiers created on this page are stored on our servers or transmitted over the internet, keeping your project data private.
Does this UUID generator tool work on mobile devices?
Yes, the platform is fully responsive and functions seamlessly on smartphones, tablets, and desktop devices. You can generate and copy valid identifiers quickly, whether you are coding at your desk or testing on a mobile device.