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By Reuben Zaback - Last Updated: Contact Author

How to Use Avidemux to Convert MKV to MP4 without Transcoding?

It may safe to say that MP4 and MKV are the best two video containers. Both can all store the regular media data including images, audio, and video. But there are times you have to convert MKV to MP4 for a no-error playback as MP4 with H264 is still the "standard" of this digital era. MKV has wider codec support for high-quality audio, video, and subtitles than MP4 does, but it lacks support for the end devices. For that reason, you may often encounter errors when streaming MKV videos on Chromecast, playing them on Sony/Apple/Samsung TV, and other portable devices.

Unlike MKV, MP4 is compatible with all most all kinds of devices. To play MKV video on any devices, convert the format of your MKV video to MP4 using video converters. Among lots of video converters, Avidemux is the prior option for many people. Keep reading to learn Unlike MKV, MP4 is compatible with all most all kinds of devices. To play MKV video on any devices, convert the format of your MKV video to MP4 using video converters. Among lots of video converters, Avidemux is the prior option for many people. Keep reading to learn how to use Avidemux to convert MKV to MP4.

What Do you Know about Avidemux?

Avidemux, as a free and open-source video editor, showcases outstanding performances in video processing and editing. You are allowed to cut and filer the video before or after converting. To speak of converting, the most concerned question by you, Avidemux can convert videos from, to all common formats. In other words, you are free to use Avidemux to convert MK4 to MP4, MP4 to MKV, MKV to AVI and etc. Besides, Avidemux has good compatibility and usability, which goes compatible with different operating systems, such as Linux, Mac OS X and Microsoft Windows.

Though there are many factors make Avidemux your first option such as you don't need to pay a penny to convert MKV to MP4, it is far from being perfect. From the feedback of Avidemux users, there're several intolerable shortcomings while using Avidemux:

  • • The outdated interface with difficult terminologies are confusing, so beginners have to look into everthing they find
  • • Beginners hard to know which formats go for which device without any support
  • • Various Bugs - For example, the audio of the converted MP4 may be out of sync or distorted
  • • Limited original built in functions which cannot meet the progressing demands for editing 4K video
  • • Can't be updated on time

In a word, as an open - source video-processing software, Avidemux is more likely to rely on users' free exploration, but that's not friendly for non-professional users.

Free Download the Best Alternative of Avidemux to Convert MKV to MP4

Strapped for time? Click one of the links below to jump straight to your most interested part.

Part 1: How to Convert MKV to MP4 Using Avidemux?

Make sure the installation pack of Avidemux you download is the latest version. Otherwise, it may go crashes while working. 64-bit and 32-bit version are both available for you to choose. Check your PC to find the specific system information, don't install the wrong one.

Step 1: Import the Source Video

Start up Avidemux > Click File on the top bar and hit Open to choose MKV file

Step 2: Set Video Output as Copy

Select Copy as the output codec. By doing this, you can convert MKV to MP4 without re-encoding

Step 3: Set the Audio Output Codec as AAC

There are some audi codec is not compatiable with MP4 container. Therefore, check the audio codec information. If it is not in AAC codec,select AAC (FDK/FAAC) as the audio output codec.
Note: you may miss some audio information from our tests and other users' feedback.

Step 4: Select Video Output Format as MP4 Muxer

Avidemux MKV to MP4
Avidemux MKV to MP4

Step 5: Set the Output File Storage Path

Click File > Choose Save to select location and the converting process will start automatically.

Part 2: How to Convert MKV to MP4 by Using an Easier yet More Powerful Avidemux Alternative?

By analyzing the feedback of related users and testing many video converters, another video-processing software VideoProc is found performing far much better in its converting function compared with Avidemux. VideoProc has a very simple and straightforward interface and rich output preset options. It enables you to convert MK4 to MP4 in just one click. One of the most overcoming strengths of VideoProc is its fascinating processing speed while the conversion process. It processes video 47X faster than real-time play thanks for the applied of full GPU acceleration technology, which outpaces software not supported by hardware acceleration like Avidemux. Besides, it possesses a full variety of formats: more than 320 supported formats (including MP4, FLV, SWF, MKV, 3GP, WMV, AVI, etc.). What's more? It is a handy video quality enhancer that can improve the quality of poor MKV videos dramatically.

How to Use VideoProc to COnvert MKV to MP4?

Step 1: Dlownload and launch VideoProc

VideoProc for Windows
VideoProc for Mac

Fast Convert MKV to MP4
Fast Convert MKV to MP4

Startup VideoProc > click Video to enter into the video processing window.

Step 2: Convert MK4 to MP4

Click +Video to import the original video > Choose MP4 format at the bottom bar > Browse to choose the output folder > Click Run to start the converting task.

Download Avidemux Alternative
Download Avidemux Alternative

Final Thoughts about Converting MKV to MP4:

It may take a long learning curve to become familiar with the settings and terminologies of Avidemux. And the potential error it may bring like A/V out of sync, can't read MKV file, etc. can be annoying. To prevent any vexing issue, VideoProc is recommended as the best alternative. Despite its impressive performance in converting video converting, VideoProc is a one-stop video processing software, which can fulfill various tasks including cutting, merging, and cropping at full GPU-acceleration speed. In a word, it's an easy-to-handle software with a simple interface but not at the cost of professional functions.

Video Tutorial: How to Convert MKV to MP4 with VideoProc

How to Convert MKV to MP4 with VideoProc
Free Download VideoProc to Convert MKV to MP4 Fast with Ease


Reuben Zaback

Hi, I'm Reuben Zaback and I've been an award-winning editor of Digiarty for four years. Writer by day and reader by night, I share programs reviews & tutorials, multimedia solutions, latest tech trends, devices tips, etc. I geek out over Apple products, sports cameras, drones, gadgets and always look to learn something new. My spare time is dominated by sports rehab and part-time study.

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