Pavtube DVDAid is a professional DVD ripper software, which can 1:1 backup DVD with original structure, and rip DVD disc to m3u8, H.265 MP4, MKV, M2TS, AVI, WMV, 3GP, MOV, WAV, MP3 and various other popular formats with wonderful output quality and fast speed (CUDA acceleration support). It has powerful functions including trimming & cropping videos, adding watermark, adjusting the effect and volume, merging multiple videos, and more.