Keywords

Binary(simple binary)

Hex

Octal

Raw Bytes

ASCII

Base(32,64,58,62,85,91....)

Url Encoding

Rot13(47...)

Reverse

QR code

Morse Code(also what / means in Morse code)

White spaces

Ceaser Cipher

Vigrene Cipher

XOR masking

Esoteric programming language (In short EsoLang)

Try this:

Try It Online

Brainfuck