And TunesKit iTunes DRM Removal for Mac ( ) is the best one I currently find. Actually, there are some iTunes DRM removal applications in the market now.

Somebody will ask that is it possible to unlock the iTunes rentals limitations and keep the iTunes rental movies forever? The answer is “Yes”. Once the rental period expires, the movie will disappear from our iTunes library. However, for iTunes rental movies, we only have 30 days from the time of rental to watch the movie, and 24 hours (in the US) or 48 hours (elsewhere) after we started viewing to finish it. And both iTunes Rental movies and iTunes purchased movies are protected by Apples’ Fairplay DRM technology. Yes, Anybody who have an Apple user ID can rent movies from iTunes movie store with at least iTunes 10. But what’s the difference between the purchased movies and rentals? The quality is the same as the purchased one. For some movies we don’t want to collect or store forever, we can rent the movies for instantly watching. As everyone knows, it’s much cheaper to rent movies on iTunes than purchase the movies.

Strip itunes video drm