How to - Encode / Decode Base 16 to Hex ( Text )

i want to try with english
Please, correct me if i'm wrong :)

i m playing game,
the people call the game hacker, just game :LOL

in levels MAIN LEVEL 8 of game, i get clue about login.
thic clue in view source code ( ctrl +u ).

extras/secret.txt

1011 0000 0000 1011
1111 1110 1110 1101

this is binary.
you can decode binary to hexadecimal.
i'm recommend you use calculator on mode programmer.

before, i decode this binary use tools online but no matches, so i use calculator on mode programming and get result.

B00B
FEED