A UUID (also called a GUID) is a random, practically unique 128-bit identifier used for database keys, records, and objects where you need a value that will not collide.

Yes — they are RFC-compliant version 4 UUIDs generated with your browser’s secure random source. You can create as many as you need at once.

Yes — choose how many you want, toggle hyphens or uppercase, and copy them all with one click.