1.
Startafire – Simply amazing. It puts your website's badge in any link you share to Facebook. When you're online, you should be thinking about how to involve your customers all the time and if you find relevant content on other sites… use it! Then push them to yours and profit.
2.
Twitter Follower – Twitter is awesome for marketing, and this nifty little tool allows you to automatically follow everyone that an authority in your niche follows. It's an excellent way to build interest and scope out new leads.
3.
LinkClump – Forget all those expensive keyword tools people offer. If you're ever low on good keywords and are just browsing sites then turn this on and get inspired! The amount of information this little plug-in provides will make sure you are always on top of your game.
Those are the three Chrome extension everyone who even thinks about making money online should have. Every. Single. Person. Should have them.