css dvd-cloner iv is software that makes high-quality 1:1 dvd backup copies with the ability to decode css encryptions and regional codes completely. the program supports custom copies by enabling users to select their favorite chapters, subtitles and audio options. the copies are compatible with most home dvd players: 1 perfect 1:1 dvd copy copy entire dvds including the title, menus, subtitles, audio & languages – or just the parts you want. 2 decode css or decross protected discs 3 create customized copies now you can select your favorite title, chapter, subtitles or audio for copying.and previewfavorite chapter. 4 supports episodic dvds choose your preferred sections without copying the whole dvd. 5 copy dvd-9 to dvd-5 compress one dvd-9 movie onto one d5 dvd+-r/rw without noticeable quality loss. 6 copy dvd-9 to dvd-9 copy a dvd-9 movie to an 8.5gb dual layer dvd+r/rw without any quality loss. 7 full dvd disc copy copy a d9/d5 movie/data/music disc to another d9/d5 disc without compressing the movie or deleting the coping protection, and also including the title, menu and other special features. 8 split one d9 to two d5 copy one dvd-9 movie onto two d5 dvd+-r/rw without any quality loss. 9 dvd fix’ copying mode: it can recover the damaged dvds to the greatest extent. to deal with dvds in poor quality or with seriously damaged slices, we designed dvd fix mode to read files to hard disc and greatly optimize the reading speed and quality. the optimized disc is readable by dvd-rom. 10 high compatibility supports pal, ntsc, dvd+-r/rw and most dvd players and burners. 11 high speed dvd copy takes less than one hour to finish. 12 adjust the compression rate.? you can get a better video effect and less size of your dvd by this function, also can adjust the compression rate from 10% to 100%. 13 preview the movie, extras and menus.