Get Back your Screen Space: Maximize Firefox Viewing Area
I have a few toolbars and around ten extensions installed whose configurations and buttons seemed to have loaded up the Firefox interface with a lot of junk. So I was hunting around for a few tricks that may help me gain some more web viewing space. Here are a few tweaks and extensions I found
http://www.makeuseof.com/tag/get-back-your-screen-space-maximize-firefox-viewing-area/