How to hide photos in Samsung M21 2021 edition, i tried to find secure folder but couldn't, i do not think mine has knox security, is there other way i can hide photos in my phone?

Hi. I want to know how can i see my password in samsung browser. I saved a password in samsung browser and used to login from there using fingerprint. But now i want to login in another device and forgot the password. Can i see the daved password. Th...