Miro Video Converter is described as 'A super simple way to convert almost any video to MP4, WebM (vp8), Ogg Theora, or for Android, iPhone, and more. Miro Video Converter has presets that will convert video to the correct sizes and formats for popular phones, iPods, and other media players' and is a Video Converter in the video & movies category. There are more than 50 alternatives to Miro Video Converter for a variety of platforms, including Windows, Mac, Linux, Web-based and Haiku apps. The best Miro Video Converter alternative is HandBrake, which is both free and Open Source. Other great apps like Miro Video Converter are File Converter, Freemake Video Converter, XMedia Recode and Format Factory.
If you need high quality encoding, use FFmpeg. ffWorks is by far the best FFmpeg frontend available for macOS.