This is a little half hour project I built before bed since I was itching to code something that wasn’t horribly frustrating (thanks, Compilers class…).
This replaces text as you type with user-defined replacements a la iOS. It’s simple but super nice if you prefer emojis or use text shortcuts (‘shrug’ becomes ¯\_(ツ)_/¯  on my system).
Github. Chrome Store. Fork me hard.