What type of encryption will come out the output like this: 45bc8HTzybF3kgJ1gCLQV22X3tY=

Question

Hi, I need to ask about the encryption since i am not familiar with encryption.
I wan to decrypt the password but i not sure how those password encrypted.
Those passwords in this kind of form "33bc8HTzybF3kgJ1gCLQV22X3tY="
is anyone know what kind of encryption is using?