Tool: snow

snow is used to conceal messages in ASCII text by appending white-space to the end of lines. Because spaces and tabs are generally not visible in many text viewers, the message is effectively hidden from casual observers.
snow exploits the steganographic nature of white-space
Uses the ICE encryption algorithm

snow is used to conceal messages in ASCII text by appending white-space to the end of lines. Because spaces and tabs are generally not visible in many text viewers, the message is effectively hidden from casual observers.