Passwords can be difficult to manage. They have to be long and complex enough that hackers can’t guess them through brute force, and you need to have a unique password for every single account so that one leaked password doesn’t put all of your accounts at risk. One option for making this manageable is to use a password manager, which holds all of your passwords, associates them with your accounts, and automatically fills login pages for your convenience. But what if you need a password that’s just as secure as a randomly generated string of nonsense yet still easy to memorize? In that case, c…