skribbl - Word guessing based on drawing.
Emoji Translate - Turn your text into emoji automatically
LetsDraw.It - Guess and Draw, Drawing Battle, Pictionary, Copy picture - online drawing games where you can compare your skill with others.
Emojisaurus - Turn English phrases into emojigrams
gartic.io - Draw, guess, and win!
Smiley Caret for Chrome - Turn emoticons :) to emoji 🙂 as you type