I don't know about Safari, but the built-in password manager in most browsers are very light on features and have abysmal security. AFAIK Chrome still refuses t

I don't know about Safari, but the built-in password manager in most browsers are very light on features and have abysmal security. AFAIK Chrome still refuses to let you set a master password to protect your other passwords. Firefox is better, but the user interface is bare bones compared to a dedicated password manager. I suspect that the password manager in most browsers have received less attention than it deserves, partly because all the vendors been trying very hard to get people to drop passwords altogether. Mozilla pushed Persona, Google pushed Google accounts, Microsoft pushed Microsoft accounts. I wonder if Mozilla will start paying attention to the password manager now that it has given up on Persona. LastPass et al. have a lot of additional features that make a lot of sense once you accept that you'll be stuck with dozens of passwords for the foreseeable future. For example, LastPass offers to generate a random password for each site, recognizes when you change your password, helps you organize websites into categories, and alerts you to weak passwords.