If you feel more secure with a totally random and unique password for each of your logins, then a(n) is an excellent option.

This question, in it's raw form suggests that it is about information security -  in this case, password. There are several ways to make the password more challenging to hack. It's either make it encrypted or make/own a key-gen or key generator.

Key generator -  a key generator generates random characters which can be used as a password. It's effectivity lies on the number of characters used.

The answer for this question is none other than: Key-gen or key geneator.

Cis the answer