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




![Microsoft Attacks the iPad Using Siri [Video] Microsoft Attacks the iPad Using Siri [Video]](/images/news/30374/121883/121883-128.png)
![iOS 7 Safari Design Concept Features Gesture Invoked Dashboard [Video] iOS 7 Safari Design Concept Features Gesture Invoked Dashboard [Video]](/images/news/30337/121679/121679-128.png)
![iOS Push Notifications Routed to Google Glass [Video] iOS Push Notifications Routed to Google Glass [Video]](/images/news/30358/121813/121813-128.png)
![Samsung Releases Short Musical Film to Promote Its Galaxy S4 Smartphone [Video] Samsung Releases Short Musical Film to Promote Its Galaxy S4 Smartphone [Video]](/images/news/30368/121864/121864-128.png)

