If you're using a Windows PC, you can turn to Dimo Video Converter Ultimate, which has the same function as the Mac version. It is an all-in-one video converter, Blu-ray Ripper, DVD Ripper, video editor, video player and wi-fi media transfer on MacOS Sierra. It is a highly remarkable application full of great features to be admired. The best Mac Handbrake Alternative program I can recommend for media conversion on MacOS Sierra is Dimo Video Converter Ultimate for Mac. Don't worry! Here the best Handbrake Alternative for MacOS Sierra is able to help you get rid of the trouble.
Though as it claims HandBrake HandBrake 0.10.5 is compatible with MacOS Sierra 10.12, it actually does not work as it should. However, its achille's heel lies in the slow speed to support the Mac OS. With it, you can transcode DVD or video to the limited video formats like MP4 with MPEG-4 or H.264 encoded. As is known to all, Handbrake is a famous, open-source, cross-platform DVD ripper and video converter.