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Pavtube ByteCopy is a powerful program with the ability of backing up Blu-ray/DVD collection to multi-track MKV, ripping BD/DVD movies to MP4 and MOV with multiple audio streams, and converting BD/DVD from hard discs to virtually any popular video and audio format like m3u8, H.265, MKV, etc. so that you can freely watch movies on mobile devices, 3D TVs, PSP, PS4, PS3, Plex, WDTV Live, Roku 3 and more devices. Here are main features: 1.Various output presets. Pavtube ByteCopy supports converting BD/DVD to virtually any popular video and audio format so that you can freely watch movies on Apple iOS devices, Android OS devices, Windows RT/Pro devices, HDTV, 3D TVs, PSP, PS4, PS3, Plex, WDTV Live, Roku 3 and more devices. In recent update, ByteCopy can support ripping Blu-ray/DVD movie to m3u8 and H.265/HEVC MP4 for better movie experience. 2. Lossless/uncompressed MKV option and multiple soft audio tracks & subtitles. ByteCopy offers a lossless MKV option in output list, which means you'll get a real uncompressed MKV file without any quality loss on big screen. It also offers multi-track MP4/MOV/AVI presets with multiple audio streams and removable subtitles, so you can free switch, turn on/off during playback. 3. Additional editing functions This multi-track Blu-ray/DVD converter can be considered as a user-friendly movie editing tool with the professional functions to trim, crop, merge, insert subtitles, export srt/ass/ssa subtitles, add video effects in the target movie. 4. Copy Blu-ray/DVD with 1:1 Quality and protection removed. A commercial Blu-ray disc is always protected by all kinds of encryptions from film studio and publisher. Here by using Pavtube ByteCopy, you can easily rip off the encryption, then backup a 1:1 Blu-ray folder that is exactly the same as original or directly Copy main movie from BD/DVD discs and leave out extras. No need to spend a large amount of money to buy new discs, isn't it cool?