The variety of formats it supports is quite extensive and the level of customization it offers is almost too much. The great thing about ffmpegX is that it's based on a large collection of Unix tools which give it excellent power and flexibility, plus it's wrapped in a simple drag and drop interface. Yes, I'm groveling so go and check it out. It's well-polished, solid, reliable, and just an overall pleasure to use. Now it can handle pretty much anything you throw at it and then spit it back out in a new format. Originally only a DVD ripping tool, Handbrake evolved into more of a universal video converter with its most recent release. Top 3 H.265/HEVC Encoding and Decoding Tools 1. Here are our picks for the top 5 free video converter for Mac, so you can convert any types of videos on Mac OS X(El Capitan included) for playable on practically any device you choose. Some come with fast speed and conversion quality, while others pave the way with intuitive features that go well beyond your typical video converter. There are many video converter apps suitable for Mac OS X.