Strong passwords are important, today more than ever. Clever passwords like “Password123”, “hunter2”, and just the letter “a” just won't cut it anymore. How can someone create strong passwords, use a different one for every account they have, and still remember them all? KeePassX is the answer. KeePassX KeePassX is a password database. It allows you to create an encrypted database file to hold all of your passwords. You unlock this database with a single master password.