The Best FireFox Addons u Have 2 Know And 2 Install

1.AdDon -1 
ADblock plus
     to avoid the unneccessary adds(Videos),flash etc,,,,,,

2.addon-2
screen grab
      it saves a webpage as an image
3.addon-3
menu editor
   it is used to customize application menus
4.addon-4
 web 2 pdf
   it is used to convert your webpage to pdf