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2021 | MKV vs MP4, Which One is Better

Vanessa Chiang updated on Oct 15, 2021 to Video Converter Tips

There are tons of video formats available, and while most of them need a suitable video player. Two popular formats are given, including MKV and MP4. They both are containers that can house any format of audio, video, SRT, and other files.

This guide shows MKV vs MP4. That said, they do differ from each other in terms of features and other advantages.

MKV vs MP4, Which Is More Practical?

MKV formats are known to be played by the VLC media player and offer flexibility to include more items keeping high quality. Although the MP4 format is also a container, it offers higher compression, which makes it suitable for almost any device.

When it comes to choosing the formats, it depends on where you want to use the video. If you are planning to deliver on smaller devices where quality can be compromised a little, MP4 is a good choice. For larger devices and streaming, MKV makes a better choice for its high-quality and live streaming support.

MKV Overview

Matroska Video files or MKV was developed in 2002 as an open-source container so anyone can use it. It was built, so it remains future proof and supports the highest possible quality of both video and audio formats. MKV also offers features that are better than MP4, but it has its segment of device and user base.

Advantages of MKV

  • Fast seeking and online streaming compatibility
  • Dynamic Subtitle support
  • Can playback corrupted files
  • Error recovery is high as it allows playback of corrupted files

MP4 Overview

MPEG-4 Part 14 or MP4 is also a digital multimedia container that stores video, audio, images, subtitles, and more. It can also be streamed on the internet. It was released in 2003, which allowed a high degree of compression without loss in quality. This makes it affordable to be used on mobile and smaller devices.

Advantages of MP4

  • Supported on multiple platforms, which means you don't need an additional player
  • The high degree of compression without any loss in video quality
  • It can also include other formats such as 3D graphics, PDF, navigation options, etc.

Differences Between MKV and MP4 Formats

Both formats are containers, and they differ from each a few places. Everything depends on the quality of the audio and video files in the MKV and MP4 containers. If you place low-quality video in MKV, and high in MP4, then they don't have a difference. Similarly, both can include any kind of codec. Below is a demonstration chart.




Needs players like VLC

Works on all major platforms


Difficult to Stream

Supports both HLS and MPEG-DASH

DRM Support


Lager and requires more space


Not supported

Required for DRM




Released for public use 



There is no clear winner when it comes to choosing between any of these formats. It depends on when they are used. When streaming, it is better to use MKV as the size is small, and supported by HLS, and MPEG-DASH.

However, MP4 does a lot better when you need multiple tracks, subtitles, and support for DVD. It means that MKV supports more codecs allowing more vendors.

Best Format Converter for MKV and MP4 Formats

You can choose from the below two tools for the video conversions. You can convert MKV to MP4 or vice versa. 

Tool 1. EaseUS Video Converter

For Windows users, you must try this tool as it offers conversion in high quality. It allows you to import MKV and MP4 files, so, it's easy to convert MKV to MP4 or vice versa. 

Meanwhile, you can combine several media files into a single one. If you have various media files, merging them into the single one can provide you with convenience. 

  • Deal with several media files at the same time
  • Effectively play media files before converting
  • Convert video and audio files without compromising quality
  • Use GPU acceleration to increase the ability

Download this tool now!

How to convert MKV to MP4:

Step 1. Launch EaseUS Video Converter on your PC, and choose the "Video Converter." Click on the "Choose Files" button to import the video you want to convert. It also allows you to drag and drop the video to import it.

import video

Step 2. Click on the "Settings" option to select the target format. You can choose MP4 as the output format and adjust the resolution and bitrate properly.

select mp4

Step 3. Customize the folder to save the MP4 video after conversion. Two buttons are available to converter the file. The "Convert" button can help you convert one video, while the "Convert All" button can process a batch of videos. 

convert video to mp4

Step 4. In the "Finished" tab, you can find the converted MP4 video. If you want to preview it, click on the "Open" button to activate the built-in media player.

save video as mp4

Tool 2. EaseUS Video Editor

EaseUS Video Editor is a powerful video editor that supports a wide variety of formats both when it comes to input and output format. You can export into MP4, AVI, WMV, MKV, MOV, and GIF. You can also configure the output quality, and choose supported encoders such as H.264, HEVC, and MPEG4.

Apart from this, EaseUS Video Editor has no limit on file size. When you choose to convert, it can handle plenty of formats and common use resolution, which is a big plus. The video editor also offers strong editing functions.


While MKV is one of the most versatile formats when it comes to features, but it is not widely supported. If you get an MKV file on your Windows, then you need to convert it into MP4. EaseUS Video Converter supports multiple video formats and hence will be able to convert any file format into MP4, not just MKV.

FAQs About MKV vs MP4

Here have some questions about MKV and MP4 file formats, if you want to know more, you can keep on reading.

1. Which video quality is the best MKV or MP4?

Since both are containers, it depends on the quality of the video that is included inside it. If the quality packed inside MKV is better compared to MP4, then MKV will be treated as a better format.

2. Is MP4 better than MKV?

When it comes to streaming video files on the internet, offer a smaller video file size with a little compromise on quality, then MKV is better. However, if you want to use it on a DVD, and then MKV is a better choice.

3. Why can't I play MKV files on my PC?

If you cannot play the MKV file on your PC, then it means it is not supported by the Photos app and the Windows Media Player. You can use EaseUS Video Converter to convert MKV to MP4

4. Can Windows 10 play MKV files?

Windows 10 cannot play MKV files on its own. Instead, you can use EaseUS Video Converter to convert the MKV file to MP4. It offers configuration, which makes sure you can retain the best quality even as MP4.

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