WebUpon reports: "This isn't the usual list of extensions that everyone is used to using, but 10 add-ons that many may not know about, but can be very useful for everyday web browsing."
There are literally hundreds of Firefox extensions available for the browser. That is one of my favorite features about it. This article does cover some unusual and hopefully some useful ones for you to use.
Personally I am very, very choosy about which Firefox extensions I use. So be careful not to install too many because they can make your browser slow and unstable.