Don’t you hate it when you have so many tabs open you can’t see what exactly is open? Well with the FishEyeTab extension for Firefox, you can kiss those days goodbye. This extension auto-expands your tabs when you hover over one with your mouse.

An alternative to scrolling when there are many open tabs, [...]

Need to do a little on screen measuring? If you have Firefox then the MeasureIt extension should do the trick.

As you can see it delivers a brain dead simple way of seeing how big that area of your screen is. I could see this tool being really helpful for web developers or anybody [...]