HD Video Converter for Mac is regarded as the best MKV video to Apple ProRes Converter. You can convert MKV video in .mts or .m2ts to Apple ProRes .mov format, which is preferred by Final Cut Pro X. Besides MKV to ProRes conversion, MKV to ProRes Converter also lets you convert standard AVI, WMV, FLV, AVCHD, XAVC to ProRes on Mac OS X.