4 Methods to Batch Remux MKV to MP4 without Re-encoding

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By Farrah Penn - Last Updated: Contact Author

How to Remux MKV to MP4?

Many people may encounter a problem that when they are trying to convert a certain video into another format (mkv to mp4, for example), the process may take too much time and the quality of the video converted may not be agreeable as expected. It is a thankless job, isn't it?

So, are there any feasible methods that may solve such problems? There are, certainly. The method is called - Remux.

What is Remux

Remux means lossless extraction of video and audio data from a certain format. Then the extraction is encapsulated into another format that we are familiar with. If you still have no idea about what it is, we will present you a more concrete example. Take mkv for example, mkv is served as a kind of encapsulation format, you can imagine it as a "container". Remux functions taking the "contents" out from the mkv "container", then put it into another "container", let's say mp4. In the process of remux, no re-encoding occurs, which makes the whole process very fast.

VideoProc Converter - is armed with function called auto copy (remux) which is able to help you with remuxing mkv to mp4.

4 Methods to Remux MKV to MP4

Remux MKV to MP4 with VideoProc Converter

VideoProc Converter is one powerful video processing software that enables you to edit & process your video in a trouble-free manner. With over 420 kinds of output file formats, it is a feature-rich video converter for windows and Mac. Here are the step-by-step tutorial on how to remux MKV to MP4 with VideoProc Converter.

Step 1: Download and Install VideoProc Converter on your Windows or Mac computer.

Step 2: Then open it and choose the Video option.

Launch VideoProc
Launch VideoProc Converter

Step 3: Click +Video to add the MKV file which you want to remux to MP4; If you have lots of files to remux, you can just choose the +Video Folder to import them all, and batch remux them at one go. Then choose the target format with MP4 (h.264). The most important action is to check the Auto Copy feature on its right panel, only by which, remux without re-encoding can be realized actually.

After that, you can just hit the RUN button to initiate the whole conversion process.

VideoProc MKV to MP4
VideoProc Converter MKV to MP4

Features and Functions of VideoProc Converter

VideoProc Converter, characterized by its concise interface, user-friendly operation, and multiple functions, is a powerful video editing software that supports conversion and export of videos, even those of DVD formats. The target formats supporting conversion are various, such as MP4, MKV, MOV, AVI, etc. Conversion into audio format or GIF motion pictures is available as well. Simple video editing can also be done in the process of conversion, such as addition of letters, rotation, watermarking and so on.

VideoProc Converter also takes advantage of GPU acceleration for video processing, especially when dealing with high-quality 4K video. Besides, VideoProc Converter is equipped with an exclusive function - auto copy as we have mentioned before. It provides fast conversion of video and will not cause quality loss. Apart from video conversion, VideoProc Converter supports downloading video, video recording and other functions that you may ever use on a video editing software.

Remux MKV to MP4 with HandBrake

You can't batch remux MKV to MP4 in HandBrake in one go, but to deal with the file one by one with 5 steps. Here we have HandBrake for Windows version, and offer you these detailed steps to remux MKV to MP4.

Step 1. First download and install HandBrake on your Windows or Mac. Then launch it.

Step 2. Import MKV file in it: File > Open Source > Folder / File (you can drag and drop a file in the center panel).

Step 3: Choose the MP4 as your output format, and you are allowed to adjust video codec, frame rate, bitrate under the Video tab. You may skip those steps if you want to keep its default settings.

Step 4: Set the destination path for the output MP4 file.

Step 5: Press on the Start Encode button on the top menu bar to start the MKV to MP4 conversion.

HandBrake MKV to MP4
HandBrake MKV to MP4

Remux MKV to MP4 with VLC

To remux MKV to MP4 with VLC, you can follow 5 steps below:

Step 1. Download and install VLC, then open the application.

Step 2. Choose Media in the top menu area > Convert / Save (Ctrl+R) in the drop-down menu list > add the local file (s) by clicking the Add button > Press the Convert / Save button in the bottom right area.

Step 3: After you have finished those process in step 2, a new window named Convert will pop up, then do as follows: in the Profile tab, choose the output format - MP4 in the drop-down tab list.

Step 4: Select one output file folder for your destination file: click the Browse button and choose the route for your output MP4 file.

Step 5: Hit the Start button in the bottom area and wait for the conversion process to end.


Remux MKV to MP4 with FFmpeg

FFmpeg enables you to decode, encode, demux, remux data freely. Although it is powerful to some extent, many users are complaining its complexity to use. To remux MKV to MP4 with FFmpeg, you can copy the existing video and audio streams and put them into a new container. If you want to batch-process several NKV files, you can first switch the directory which contains MKV files. Here we have offered you a step-by-step tutorial on how to remux MKV to MP4 with FFmpeg.

Final Words

Remux is simply the container changing, no re-encoding, so the whole process would be quite fast. And to make it better, you can also check the Hardware Acceleration menu on VideoProc Converter to make the video process even faster.

Video Tutorial: How to Convert MKV to MP4 with VideoProc Converter

How to Convert MKV to MP4 with VideoProc Converter


Farrah Penn

Farrah Penn has been a copywriter at Digiarty since 2014. Because of the occupational requirement and personal interest, Farrah has carried on broad and profound study and researches to multimedia related stuff, popular electronic devices and multimedia programs in the market.

Home > Media Converter > Remux MKV to MP4

VideoProc is a primary branch of Digiarty Software that is a leading multimedia software company founded in 2006. It endeavors to provide easier hardware-accelerated video audio editing and conversion solutions. The installed base of the VideoProc product has reached 4.6 million units from 180 countries since its release 3 years ago.

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