what encoder does metamask have?

[Fendsday]

there are two hashes, who can define their encoder? the first hash should be encoded in the format of the second
these are two different hashes, just wondering how to make the first one encode like the second one

MkDqtPgs96Coj7YCagAsNe

VExZZ20xV2FyRXFTMzI3VHhWZmFRd3E=