CloneBD lets you copy any unprotected Blu-ray to your hard drive, or any blank Blu-ray disc. With just a few clicks you can choose to make a partial copy of selected titles, audio languages, and subtitle languages, or you can do a straight 1:1 complete copy of your Blu-ray. CloneBD makes perfect 1:1 clones, but also compresses BD-50 to a single BD-25, BD-9 or BD-5.