Password managers store and generate complex passwords so you don't have to remember them.
Nobody can genuinely memorize 50 different unique strong passwords — one for every account they use. Without a manager, people reuse passwords across sites, which means one breach exposes everything. A password manager solves this by being the only thing you need to remember.
Password managers work by storing an encrypted vault on your device or in the cloud. A browser extension detects login forms and fills credentials automatically. When you create a new account, the manager generates a random, strong password and saves it instantly.
Cloud-based managers (like Bitwarden, 1Password, or Dashlane) sync across all your devices and work on phones and tablets. Local managers (like KeePass) store your vault only on your device for maximum privacy. Both are far safer than reusing passwords or writing them down.
The small inconvenience of setting up a password manager is vastly outweighed by the protection it provides. Most people set one up in under an hour and never look back — autofill makes login faster than typing manually.