How do they stack up? Here's a comprehensive look. LastPass is widely known for its free option, while 1Password stands out because of its polished design. When it comes to the best password managers, there are two clear leaders: LastPass and 1Password. Password managers generate secure passwords for you, store them securely, and fill out login forms for you. Which is why password managers are a good idea. They're either too easy to guess or impossible to remember, and using the same one everywhere is practically inviting hackers to take down all of your accounts at once.