Video File Compression Without Quality Loss
Foxi Explains how to render and make video files smaller keeping their original quality and making them easier to upload to YouTube or other place from slow internet connections. This Strategy will also keep your HD features such as 720p
Handbrake's website: http://handbrake.fr/
Handbrake Downloads page: http://handbrake.fr/downloads.php
Handbreak is Open source software and works on a variety of Operating Systems:
Windows (32 & 64 bit) : XP, Vista, 7, 8
Mac (64 bit) : OS X 10.6, 10.7, 10.8, & 10.9
Linux Ubuntu and Ubuntu based OSes such as Mint through Software Center and Ubuntu PPA page (see downloads)