Random v4 UUIDs, in bulk
A version-4 UUID is a 128-bit identifier built from random numbers, written as 32 hexadecimal characters in five groups. This tool uses your browser's cryptographically secure random generator, so the IDs are suitable for database keys, file names and API requests.
In theory yes, but the odds are so small that it is treated as impossible in practice.
Yes. GUID is Microsoft's name for the same format.
No, they are created entirely in your browser.