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Tab Killer
There are more than 7,000 Firefox extensions in Mozilla's official catalog, and a good portion of them can drastically improve how you browse the Web. Then there are the stinkers. These add-ons that actually make the browser slower, or harder to use. We've compiled a list of 20 that you should steer clear from, if only for their lack of basic utility.
Let's begin.
Tab Killer. Tabs are one of the most useful features in modern browsers. They let you browse multiple sites at once without having a bunch of windows littering your desktop. For Luddites who prefer the old way of browsing, however, there's Tab Killer. This extension simply removes them from Firefox.
Note: With the extension installed you wouldn't even see the image to the left. It's there for illustrative purposes.
Photo credit: CNET Networks