How to Convert H.264 MKV Files to MP4 Without Re-encoding (Mac) [Easier]

Posted April 8, 2012 at 8:03pm by iClarified | Please help us and submit a translation by clicking here | 89419 views

These are instructions on how to convert H.264 MKV files to MP4 without re-encoding using MP4Tools for Mac.

Following this procedure will save you lots of time and prevent video quality degradation if you need video in mp4 format for playback through iTunes, the Apple TV, or your iOS device.

Step One
Download MP4Tools from here and copy the application to your Applications folder.

Step Two
Launch MP4Tools from your Applications folder.

Step Three
Click Open, select your mkv file, and click Open again.

Step Four
Ensure that your video and audio tracks are selected. If your video is H.264 you will not need to re-encode the video so select Pass Thru from the video section. If the audio is aac you will not need to re-encode the audio so you can select Pass Thru from the audio section. If it is NOT aac then select AAC from the audio section.

Step Five
Click convert to begin creating your MP4 file.

Add Comment
Juan Cordes - January 19, 2013 at 2:31am
Handbrake often fails on large MKV files. So an alternative is needed.
newwikstromkaren - May 10, 2013 at 9:46am
Have you tried bigasoft mkv converter for mac which can convert MKV, HD MKV (720p MKV, 1080p MKV) to almost all popular video formats on Mac OS X, e.g. convert MKV to MP4 Mac, MPEG-4, H.264/MPEG-4 AVC, MOV, AVI, WMV, FLV, 3GP, 3GPP, WebM, DivX AVI. you can find it at
kevin921 - January 10, 2013 at 6:11am
Bros MKV to MOV Converter, is an all in one mkv to mov video format converter, specially designed users to convert mkv to mov for QuickTime. So you can play your mov masterpieces on lots of media players like iPod, iPhone,etc. Free download this MKV to MOV Converter to convert mkv to mov, more great attractions will make you never regret to choose this program to complete mkv to mov conversion. You can try this function is very powerful Bros MKV to MOV Converter software, there are those functions that you say, you can learn from it and see that you have no help.
gmcmoz - August 9, 2012 at 6:39pm
man thanks i have like 3 big ass mkv files just chilling on my desktop i would love to watch them on my ps3 or xbox. i will try this later today
KrissssThere - April 9, 2012 at 8:27am
Use iVI, so easy to use and loads all info automaticly...
Sean - April 9, 2012 at 4:46am
As I said in the windows one use Handbrake. Much better overall and not limited to just mp4 conversion.
smellypaki - April 9, 2012 at 6:21am
WITHOUT RE-ENCODING, you smelly fanny fart.
Marco Polo - April 9, 2012 at 6:22am
Handbrake is awesome. They have a command line utility as well which u can run as a service to watch a certain folder and automatically convert any new video files (any format) to mp4. Can't beat that.
Christopher Abad - April 9, 2012 at 3:13pm
It's really work?anyway il try
IceKirby - June 2, 2014 at 4:22am
I myself tend to use AppGeeker converter when I try to convert h.264 MKV files.
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