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Top 10 MKV to MP4 Converters for Win and Mac

convert mkv to mp4In this article, we are going to evaluate some of the best MKV to MP4 converters and also go into detail about how to go about the process of converting an MKV file to an MP4 format file. Along with this, we will see why these converters stand out among the rest of other video converters. When looking online, you will see plenty of different video sharing sites that have their videos in a variety of different formats. One of the issues when downloading these videos is that some do not play on certain programs, and others do. The best way to not run into this problem is to have all of your videos in the same format. In this article, we will show you the best video converters available so you can pick the one that suits you.

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Best MKV to MP4 Video Converter - Video Master

The first MKV to MP4 converter that we will be introduced called Acethinker Video Master. It offers an ultra-fast all-in-one video converter that is suitable, especially if you want to convert multiple videos. It supports many file formats to choose from. These include MP4, MOV, MKV, AVI, WMV, HEVC MKV, and a lot more. Plus, it can be used not only for conversion but also for merging videos, video compressor, GIF maker, and so on. Aside from that, it has editing functions that you can use, like adding effects, rotating, and more. With that, we will provide you the best steps on how to use this tool.

Try it for Free

Step 1 Download and Install the Video Master

To start, click one of the "Download" buttons provided above to get the installation guide. Follow it to completely install the tool on your PC. Once done, open it to get familiar with the tool.

vm main interface

Step 2 Upload the MKV File

Next, hit the "Add Files" icon located at the upper left corner of the interface to start. The file explorer will open automatically, allowing you to find the MKV file you want to convert. Double-click the MKV video to upload it to the software.

vm import mkv step2

Step 3 Convert MKV to MP4

After you imported the MKV file, hit the "Dropdown" menu next to the "Format" logo. Then, choose "MP4" from the list of formats that will appear. You can also select the video quality, and then you can finally click "Convert All" to start it. Once done, the output folder will open wherein you can play the newly converted MP4 video.

vm convert mkv mp4

AceThinker Free Online Video Converter

Acethinker Online Converter is a free cloud MKV to MP4 converter that offers to edits and converts your video files. If you are converting MKV files for sending to your iPad, iPhone, HDTV, or YouTube, this online MKV to MP4 conversion tool makes it easy to offer simple, one-click output settings. Choose the device name, and it exports the best configuration for that device. Many other online converters need you to register an account to use. With Acethinker Online Converter, you don't need to do that. With its user-friendly, clean, and straightforward interface, all users can do the conversion without any hassle. It's only three simple steps, upload MKV movie, then choose MP4 output, and click convert. There you are. Pretty easy.

Step 1 Activate the Converter and Load the MKV Files

Click the button below to launch the tool without having to leave this page. Note that if it's the first time you use it, you will be guided to download a small launcher to activate the app. Just download and install the launcher so as to run the converter. After that, a local folder will be opened to let you import the MKV video you wish to convert.

Select files to start

Step 2 Set MP4 as the Output Format

Click Format to select MP4 from the output format options. As you see, apart from MP4, you can also use this online video converter to convert video to AVI, MOV, WMV, FLV, VOB and more. After that, you can click Settings to adjust the resolution, bitrate, frame rate, etc.


Step 3 Start the MKV to MP4 Conversion

When all the settings are OK, click the Convert button at the right bottom and then select an output folder to save the converted files. Wait for a while and you can find the MP4 videos in the destination folder.

Chrome Video Converter - Convert Videos via Web Browser

If you are looking to convert MKV movie to MP4 files online without needing to download any software, then the Chrome Video Converter is your best bet. It is just an extension that needs to be added to Chrome to kick start your video conversion process. It is completely a free web application that lets you convert video or audio files into many popular formats. With Chrome Video Converter, you can convert files up to 2GB size quickly without any loss of quality. More than 300 formats are supported and even HEVC (High-Efficiency Video Coding) videos are supported.

Step 1 Load MKV Files

Run this Chrome MKV to MP4 converter and click Open file to load your MKV media files you want to convert to the program.

Chrome video converter

Step 2 Start Conversion with MP4 as Output Format

Next, choose MP4 as the output format. If needed, you can designate the output quality and the approximate file size. Lastly, click the Convert button to change the MKV format to MP4.


Convertio allows you to convert MKV to MP4 for free. You can also use this tool to extract the audio from a video by turning it to an audio file like MP3, 3GP, or WMA. Another good thing about this tool is you can resize, cut, rotate, and choose your preferred video quality. Besides, you can upload a local video to convert it into a different format, or get the URL of the video from a video sharing site. It is also accessible on mobile phones and tablets.

convertio interface

User guide

  • You can visit this link to go to the official website of Convertio.
  • From its homepage, click the “Choose Files” and select the video that you want to convert. It will upload the video from this online tool automatically.
  • Next, click on the “Drop-down” button beside the file name to show the available video format. Just choose the MP4 since we are converting videos to that format. Then, click the “CONVERT” button to start converting.
  • Once done, click on the “Download” button at the rightmost part of the file to save the video to your computer.


Another online convert that can turn MKV to MP4 is the AConvert. It is primarily a PDF converter that also allows you to convert videos to your preferred format. Also, it can do batch file conversion, which is helpful when you need to convert and download multiple videos at the same time. You can also use this tool to turn any music videos you want to audio files. Besides, you can change the bit rate, video size, frame rate, video aspect, and more. This online video converter is available on computers and mobile devices.

aconvert interface

User guide

  • First, go to the website of AConvert, and click on the “Add FIles” button to upload the video that you want to convert.
  • Then, click the “Target” button and choose MP4.
  • After that, click the “Convert Now” beside the “Target” button to convert the video into an MP4 format.
  • When done, scroll down to find the Conversion Results list. From there, click the “Download” icon to save the video to your computer.

VLC Media Player

VLC Media Player is a well-known video player that you can use on Windows, Mac, Android, and iOS devices. It can play the popular and most used video format. Aside from being a video player, VLC can also do a lot of things when it comes to videos. In fact, you can use this tool to convert video to MP4, FLV, MKV, MOV, etc. It is helpful whenever you have a video on your computer but can't play it because of its video format. Then you can convert the video directly on VLC. To know how to convert videos in VLC, you can follow the steps below.


User guide

  • Get the VLC installer by clicking the “Download VLC” button in this link. Then, install the tool to your PC by following the setup wizard.
  • After installing the VLC, run it, go to the “Media” tab at the top of the tool, then select the “Convert/Save...” option.
  • Next, click the “Add...” button on VLC windows, and choose the number of videos that you want to convert.
  • Simply choose your preferred video format under the “Profile” list. Then, select the output folder, and hit “Start” to begin converting.
  • To check on the video, open the output folder of the converted video, and double-click on it to play.


HandBrake is a top tier open source and free transcoder for video files. This tool can convert videos like MP4, AVI, MOV, and more. Since the features of HandBrake is so easy to understand, first-time users will be able to convert any videos they have efficiently. In fact, users can customize the output by adjusting the bit rate and the maximum file size. Besides, HandBrake supports adaptive deinterlacing, scaling, and cropping automatically or manually. You can use HandBreak on Windows, Mac, and Linux OS. To start, check the steps below.


User guide

  • Click on this link to get the installer of HandBrake, and follow the steps on installing the tool to your PC.
  • Once installed, launch it, and from its main interface, click the "File" option at the right side of the tool to open the video that you want to convert. You can also drag the video from its folder and drop it on HandBreak to open it immediately.
  • Now that you open the video on HandBrake, click the "Dropdown" button of the format under the Summary tab. Choose your preferred video format, select the converted video's destination folder, and hit "Start Encode" that you will find at the upper part of the tool.
  • Once done, open the output folder, and right-click on the video to check it.


CloudConvert is a famous web-based video converter because it is fast, easy-to-use, and reliable when it comes to converting video files. In fact, this converter supports 200+ file formats and does not require you to install anything on your PC. Also, CloudConvert can be used on Chrome Edge, Safari, Firefox, and other web browsers you may have on your computer device. However, all the files you upload on CloudConvert will be saved on its database. Still, you can use CloudConvert to convert any local videos you have to your preferred video format. On the other, we have listed the steps below on how to use it.


User guide

  • Open your web browser, and visit the website of CloudConvertt to start converting your videos.
  • Click the “Select Files” from its homepage, and then upload the video that you want to convert.
  • Next, choose your preferred video format by clicking the “Dropdown” button beside the “Convert to” option. Then click the “Convert” button to begin the conversion process.
  • Once done converting, a video playback window will appear that you can use to watch the converted video. You can also click the “Download” button at the right corner part of the playback window to save the video on your PC.


Online-Convert is another reliable and powerful web-based video converter that has been operating for so many years. It is a multipurpose tool that can save video from URL to MP4 and vice versa. In fact, it allows users to convert videos from cloud storage like Google Drive, One Drive, and Dropbox. Online-Convert also supports file formats like MPEG-1. WEBM, FLV, and other famous video formats like MP4, WMV, FLV, and the likes. However, there is a limit to the file size for not more than 100MB of video or audio file. You can follow the steps below to start converting videos using Online-Convert.


User guide

  • First of all, go to the Online-Convert website, and choose your preferred video format on the “Video converter” list.
  • Next, you will be taken to the conversion panel. From there, click the “Choose Files” button to upload the video that you want to download.
  • Then, click the “Start conversion” button to convert the video. It will automatically download the video on your PC after the conversion process. You can play the video on the file folder that you chose when you download the video.


Zamzar is also a trustworthy web-based video converter that you can use for free. This tool is compatible with Windows, Mac, and Linux OS since this tool does not require you to install any application on your computer. Also, Zamzar has a user-friendly interface that lets you understand it easily. You can convert your videos for only a few simple steps though you need to create an account first on Zamzar before you can start converting videos but rest assured that it is free of use. You can follow the steps below to start converting videos on Zamzar.


User guide

  • You have to go to the official website of Zamzar first before you can start converting videos.
  • On its main page, click the “Add Files” button to upload the video that you want to convert. You can also drop the video from its file folder to Zamzar to open it quickly.
  • Next, click the “Convert To” button and choose your preferred video format.
  • Finally, click the “Convert Now” button to start the conversion process. Just wait for it to finish.
  • Once done converting, click on the “Download” button beside the file name of the video to save it on your PC. You can then watch the converted and downloaded video on the download folder.

Comparison and Conclusion

Video Master Online Video Converter Chrome Video Converter Convertio AConvert VLC Media Player
Convert MKV and almost all video formats Limited Limited
Conversion speed Great Good Normal Normal Normal Normal
Video conversion quality Lossless Good General General General General
Video editing functions Versatile Rich Limited Limited Limited
Convert MKV to iPhone, iPad, Android, etc. Yes No No No Yes Yes
Download online videos Yes No No No No No
Record videos Yes No No No No No
Support both Mac/Windows Yes No Yes Yes No No
24-hour customer support Limited Limited Limited Limited
HandBrake CloudConvert Online-Convert Zamzar
Convert MKV and almost all video formats Limited Limited
Conversion speed Normal Normal Normal Normal
Video conversion quality General General General General
Video editing functions Limited Limited Limited Limited
Convert MKV to iPhone, iPad, Android, etc.
Download online videos No No No No
Record videos No No No No
Support both Mac/Windows No No No No
24-hour customer support Limited Limited Limited Limited

All the recommended MKV to MP4 converters are very good. You can just choose one according to your needs. From the above comparison list, you can see that the Video Master from AceThinker is the most powerful one that can suit all your multimedia needs: conversion, downloading, recording, editing, and more. By the way, if any other great way to change MKV to MP4 format is not mentioned here and you happen to know it, please let me know via comments. Or you can also take a look at this one to learn on how to convert WMV to MP4. Thank you!

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Posted by JoKelly on March 22, 2017 to Free MKV Converter

Last updated on August 17, 2020

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