der Passwortmanager
Translation
password manager
Examples
Ich benutze einen Passwortmanager.
I use a password manager.
Ein Passwortmanager erhöht die Sicherheit.
A password manager increases security.
Grammar Patterns
to use ((sth.)) I use a password manager.
Similar Words
Passwortsafe (password safe), Kennworttresor (password vault)
Etymology
A compound of 'Passwort' (password) and 'Manager' (manager).
Memory Tips
It's literally a 'manager' for your 'passwords'. The English cognates make it easy to remember.