[some_furry]

This won't work very well if the site you're logging into uses bcrypt, and the value you store in your password manager is >= 72 characters.

https://paragonie.com/blog/2016/02/how-safely-store-password...

[kennywinker]

If a site is using bcrypt and it allows users to set passwords longer than 72 chars, the operator of the site is the problem not the use of a password manager + in-my-head-secret

[some_furry]

Bcrypt is very common on the Internet, though.