UUID v4 Generator
Generate random UUID v4 identifiers instantly. Everything runs locally in your browser.
How UUID v4 generation works
Generate an identifier
Each UUID v4 is created from random values and follows the standard 8-4-4-4-12 hexadecimal format.
Use it in your project
Copy an individual UUID or copy the complete generated list for use in development, testing and data records.
Keep it private when needed
Generation happens locally. No UUID or other input is sent to MinotohaTools.
Frequently asked questions
What is UUID v4?
UUID v4 is a randomly generated universally unique identifier with 122 bits of random data plus fixed version and variant bits.
How many UUIDs can I generate?
This tool generates one UUID or a batch of 10 at a time, with no server-side limit because generation is performed in your browser.
Is the generator secure?
When available, the tool uses the browser's cryptographically secure random number generator. Modern browsers expose this through crypto.randomUUID() or crypto.getRandomValues().