If you spend most of your time online you probably have heard about extensions, or “add-on”, as you may call. If not, this post is especially for you. A software extension, or extension, is software that serves to extend the capabilities of or data available to an existing software application; its essentially an add-on feature that becomes included in some programs and could help you to improve your work. Here are my 6 best extensions for Google Chrome based on my experience, as well users recommendations. Don’t see your favorite extension here? Let us know in the comments.