The best ones provide auto-filling and auto-capture of passwords, cross-platform apps, plugins for all the major browsers, syncing across devices, and the ability to import and export your data.
Ease of use is as important as the security itself. If you want extra security, look for the ones which also provide 2-factor authentication. Today, almost all the password managers come with a standard AES-256 encryption, so you should avoid those who don’t. The first thing to consider is the inbuilt security features. Before we get into the actual list itself, let us spend a little bit of time understanding, what actually you should look for while choosing a password manager.