It's simple tool to generate strong passwords.
All passwords will generated only on your client machine and don't send anywhere, you can be sure that's fully private.
You should generate only strong passwords with good length and all charsets, at least: 13-15 symbols with a-z, A-Z, 123 charsets. This password is very hard crackable, to prevent brute force use only strong passwords and don't use typical leakable passwords like: 123456, qwerty and etc.
Support charsets: 0-9, a-z, A-Z, additional symbols.