How to Transcode/Convert MKV to MP4 Video on Mac Freely
Why We Need to Convert MKV to MP4 on Mac?
MKV, the Martroska Multimedia Container is one of the free, open standard video container. As we can see many .mkv encapsulated video files in our daily life, through it is one of the most popular container format, it has the shortcoming when compare to those universal containers like MP4 because it does not fit certain industry standards and in lack of software & hardware supports ( .MKV video cannot embedded & played as non-HTML5 web elements unless you use webm compression), then convert the MKV to MP4 is required for us to watch/edit the videos.
Due to it's deficient support to MAC platforms, if your media collection holds a large number of MKV files that you want to play or edit on your Mac, you will need to get a free MKV to MP4 video converter which performable on the Mac OS X Mountain Lion/Mavericks/Yosemite/El Capitan and macOS (High) Sierra, Mojave, Catalina, and Big Sur.
Besides the compatibility issue, the flaws that .MKV container has is surely restricting it's performance:No lossy or lossless profile of videos (moderate quality was taken for it's graphic). Need a DirectShow parser filter for Windows machines. More complicated than AVI, which means a larger file size...
How to Free Convert MKV to MP4 Video on Mac?
WinX Video Converter for Mac - Convert MKV to MP4 video file on Mac while keeping the original audio video quality! You can play the output video on iPhone, iPad, Android, etc at one go.
WinX Video Converter for Mac is one of the fastest video converter and the most stream friendly software I've ever seen and no offers or demands of toolbars or other stuff I don't need. - Comment by Kelly
WinX HD Video Converter for MAC - One of the best converters that convert MKV to MP4 on MAC
WinX HD Video Converter is the best video converter that supplies full convert options & solutions on MAC. It supports all different MAC profile & Operating system(up to the newest Big Sur), effectively resolved the issue that the limited video format are supported by Apple's MAC OS. Surely, all different video container can be converted, like WMV, MKV, M2TS, all of these could convert to .MP4 or MAC OS supported formats.
WinX HD Video Converter also allows you to convert HD MKV video to MP4 video totally free for playback on iPhone 6/5, iPod Touch 5, iPad Air/Mini, Samsung Galaxy, Kindle Fire HD, PSP, WP8 and so on. Not only transcoding the Blu-ray video MKV to MP4 on Mac, it can also convert HD camcorder video formats or standard videos like AVI, WMV, MOV, MPEG and FLV while offering 15-20x real time converting speed and allowing for video editing and parameters settings.
Guide of Free Converting MKV to MP4 on Mac without Quality Loss
Seldom MKV video converters dare to guarantee 100% quality maintenance in MKV to MP4 conversion process, even including some commercial programs. But the following guide will show you how to reduce the quality loss to the maximum when free transcoding MKV to MP4 video on macOS Big Sur using a Free Video Converter for Mac.
Where to start: Download the free MKV to MP4 converter on Mac, install and run it. One thing to mention that the Windows version is also available.
Step 1: Add your MKV source file from Mac. This free Mac video converter supports batch conversion mode, so you can upload many files needed to be converted one by one by dragging or clicking "+" button. You are even enabled to merge the MKV videos to be an entire one.
Step 2: The most important process: Different from simply choose MP4 as the output format, you are advised to find "AVC HD Video (H264)" in HD Video option under "Common Video Profile" which will deliver higher video quality with .mp4 extension in order to get the best quality video.
Step 3: This step is about to change the parameter settings to get the best quality. There are three things you are suggested to do:
A. Adjust the output quality to "HQ" on the interface of out profile, the conversion time of which will be longer;
B. Check "Use High Quality Engine" on the right for better image effect;
C. Set the value of Bitrate in settings to be higher. You can keep VBR, or choose to CBR and increase the value.
>> CBR vs VBR
Step 4: Hit "RUN" button and begin the free MKV to MP4 video conversion on your Mac. Before that, you are flexible to change any other settings or the Destination Folder.
After a tea break, you can get the MKV changed to MP4 video without quality loss!
WinX HD Video Converter Deluxe
If your goal is to play MKV videos on iPhone, iPad, Android or other devices directly, the Ultimate edition of HD Video Converter for Mac may suit you better. With it's easy-to-access functionalities, complete video/audio support presets, all video convertion tasks could be finished by one click. Thus, enhanced hardware acceleration drastically improves the convert speed to 32 time than other converters. If there will be a perfect solution for video convert, the WinX HD Video Converter Deluxe will be it.