How to convert and encode Ogg Theora video files right inside Firefox without further need to install an additional software on your computer ? The solution is simple : just add the Firefogg plugin to your Firefox web browser, then Ogg Theora encoding and video conversion will be available from a  simple mouse click ! Ogg Theora is a free and open video compression file format from the Xiph.org Foundation. It can be used to distribute film ...