[help] Which Firefox extension to use for auto-loging in?

What extension for firefox will automatically log you in to websites, so you don't have to type your username and password in every time.

its a feature that is integrated into firefox without an extension.

usually when you login, a dialog box will come up with some stuff and options to save password, no, or never for that site.

Options > Privacy > Passwords > Remeber saved passwords.