Youtube File Hack
CBS Interactive does not encourage or condone the illegal duplication or distribution of copyrighted content.
Publisher's Description
From UnlockForUs:
Youtube File Hack is a small and intelligent program that aims to ease up everything in saving Youtube videos to your hard disk in any Web browser that you will use (webm, mp4 and flv - High Definition included). The new version aims to easily download all available Youtube videos using IE, Google Chrome, Mozilla Firefox, Opera and any web browser by automatically listing the links after copying only the Youtube URL.