GENERATOR / DEVDESK
UUID Generator
Generate UUID v4 identifiers with Web Crypto randomUUID. Choose a count and copy or download one ID per line.
crypto.randomUUID requires a secure context such as HTTPS or localhost.
Input and output examples
Example 1
Input
Count: 2Output
c7c5d12e-260b-4fe5-a177-14379f3edc0a
042b4ac5-588d-4f03-a7d4-0ef36356bf40Example 2
Input
Count: 1Output
f2ce926a-51e1-4c21-91eb-30c28c26d18aHow to use it
- Choose a count from 1 to 100.
- Generate the UUIDs.
- Copy the newline-separated values or save them as a text file.
Frequently asked questions
How are UUIDs generated?
Supported browsers use crypto.randomUUID() for UUID v4. There is no Math.random fallback.
Are duplicates impossible?
Collision probability is extremely low but not mathematically zero. Add a uniqueness check if your system requires one.
Does it work over plain HTTP?
Web Crypto availability depends on browser security rules; HTTPS or localhost is required in browsers that restrict it.