EaseUS Video Editor

Versatile video editing software to turn clips or footage into marvelous videos.

  • Make videos easily via basic and advanced video editing features
  • Add texts, filters, overlays, transitions, and special effects freely
  • Selectively convert a video to MP3, GIF, MP4, AVI, WMV, MKV, MOV...

How to Convert MKV to MP4 on Windows, macOS and Online

Jean posted on Mar 04, 2020 to Video Editing Tips | How-to Articles

Do you have a video in MKV format that you can neither open nor play on many portable devices like Apple iPad, iPhone, Android phone or even third-party video players? You may wonder how to convert MKV to other proper file formats at this moment. If you know the other video format (MP4) a little, you should know that the best idea to solve the MKV incompatible issue is to convert MKV to MP4. Fortunately, transcoding files from MKV to MP4 is becoming quick and easy as soon as you reach here and find the capable MKV to MP4 converter.

Three Ways to Convert MKV to MP4:

#1. EaseUS Video Editor (Superfast & easy-to-use)
#2. VLC Media Player (Cross-platform application)
#3. Online MKV to MP4 Converter (Online for free)

Why Do You Convert MKV to MP4?

mkv vs mp4

MKV and MP4 are two kinds of the most common video formats we're very familiar with. But most times, in reality, we hear of MP4 more often than the MKV because it's the industry standard video format accepted by almost all devices and video players. Sometimes, when you downloaded or received a .mkv video, it's time for you to change the file extension to a playable one. The following are the two reasons that may ask you to convert MKV to MP4.

  • Platforms compatibility: MKV is not so mobile-friendly, whereas MP4 is very good on both PC and mobile device.
  • File size: MKV usually has a larger size than MP4 videos owning to the support for multiple audio and subtitle tracks.

Next, we are going to demonstrate each solution to convert video to MP4. You can follow the user guide and learn how to convert MKV to MP4 and vice versa.

#1. EaseUS Video Editor - Convert MKV to MP4 Easily and Quickly

One of the simplest solutions to transfer a video format to MP4 is using EaseUS Video Editor, a versatile video and audio editing software with many more robust functions. Among which, for example, is the video and audio conversion.

The first impression on EaseUS Video Editor is always simple yet powerful. On top of that, there are more persuasive reasons that empower it to rank on the top recommendation to modify an existing video format to the other, including:

  • Support all Windows operating systems
  • Support popular source video format: e.g. MKV, GIF, MOV, FLV...
  • Support popular target video format: MP4, AVI, WMV, GIF, MOV, MKV...
  • Support all-around video editing while converting
  • Support playing the MKV video before file conversion
  • Support massive and free templates like texts, filters, music...

Once downloaded the EaseUS video converter software, you'll be greatly satisfied with its ease of use, and the fast speed in taking care of some lengthy video files as well.

Step 1. Import the source file

Launch EaseUS Video Editor. On the home screen, you can import the source file by either clicking the "Import" option or simply dragging the video to the appropriate area.

import file

Step 2. Add to project

You need to add the imported file to the track by choosing the "Add to Project" option, or you can drag and place the video to the track as you want.

add to project

Step 3. Export the source file

Now you can click "Export" on the main menu on the top.


Step 4. Save as MP4/AVI/WMV/MKV/MOV/GIF

Under the "Video" tab, choose a file format among the available options as the desired video file format. 

add to project

On the right pane, you can edit the file name, customize an output folder and settings and then click "Export".

add to project

#2. VLC Media Player - Convert MKV to MP4 Everywhere

When it comes to mentioning an MKV video, we must introduce VLC media player which is one of the rare MKV compatible media players on the market. It's said that VLC is people's favorite choice for playing MKV files, mostly because it has built-in support. Better yet, it can also convert the MKV files to something more universal as MP4.

One advantage of using VLC over the EaseUS video converter is that VLC is a cross-platform supported application. Both Windows and Mac users can benefit from the program. Only one difference that average users should notice, the process of converting MKV to MP4 with VLC is somewhat time-consuming. You'll go through more steps to make the conversion done.

Step 1. Download and run VLC media player on your PC or Mac.

Step 2. From the main menu, select Media > Convert/Save...

convert mkv to mp4 with vlc media player step 1

Step 3. On the File tab, click Add... to add your MKV video to the list. (You can also use the drag & drop feature to upload the MKV file)

Step 4. Click Convert/Save...

Step 5. Specify your desired video format. You should choose H.264 + Mp3 (MP4).

convert mkv to mp4 with vlc media player step 2

Step 6. Specify under Destination to select a path to export the MP4 file. 

Step 7. Click Start. Once the timeline progress finishes, your video will be ready.

#3. Online MKV to MP4 Converter - Convert from MKV to MP4 Without Downloading

The best part of having an online video converter is that you don't necessarily download it, and it doesn't matter what operating system you're running, only what internet browser defines its usability. 

When searching the best online MKV to MP4 converter on Google, you'll get overwhelming results that will definitely make you lost. How to choose the really workable and safe among the vast sea? Don't bother. We've made the decision for you.

As we all know, most online programs that boast free not really free. You got to pay for some. Usually a file number limitation, dazzling ads keep popping up, asking you to register with a mailbox, send you junk mails ten times a day, etc. The worst situation resulting from some bad websites are painfully irritating. Some people saw their browser homepage changed constantly and others even suffer from malware and viruses.

So we must be cautious to choose a dependable online website to convert files. To ease your worry and reduce risks like mentioned, with years of experience in the video editing and conversion industry, we have several green software recommendation for you to refer to.

The operation of online file conversion software is pretty the same: Upload files from a local drive (Some support uploading from Cloud) > Choose a destination file format (MP4) > Start/Convert.


Whenever you need to convert MKV to MP4 to solve the incompatible issue on certain devices or reduce the file size, choose your favorite video file converter among the best found on this page. Now get ready with the MKV to MP4 converter and start to convert MKV to MP4 easily and effectively.

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