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How to Convert MKV to MP4 with Best Output Quality

Author by Vita

Updated on Jul 13, 2022

There are many programs for converting MKV to MP4. I have tried lots of them and concluded at below three of the most reliable tools to convert MKV files to MP4 without losing quality. For the easiest and fastest conversion, you’re recommended to download the overall best free MKV to MP4 converter here:

Why to Convert MKV Videos to MP4?

MKV is an advanced open source video format that offers a lot of special features other formats don’t have. For example, MKV supports multiple audio tracks and soft subtitles. However, since MKV can incorporate video, multiple audio and subtitles track into one file, it’s inevitable that MKV files always take up larger storage space for their large size.  Moreover, MKV is not powerful enough to replace all the other video formats. Many mobile devices and programs refuse to play or can’t recognize MKV files. In this condition, MP4 should be the best replacement.

Generally, MP4 is the most popular format in the world so far. It can compress videos with high quality preserved and is supported by most all devices and players. Therefore, it’s a good idea to convert MKV video to MP4. Here, I’m going to share three simple yet effective methods with you to finish the conversion free in a breeze. Just keep reading.

Method 1. How to Convert MKV to MP4 with Recommended MKV Video Converter?

Free HD Video Converter Factory is a reliable and user-friendly free MKV to MP4 converter that can meet your kinds of demands for video and audio conversion. Although it is a free tool, Free HD Video Converter Factory has a good performance. It helps you to quickly convert MKV files to MP4 and reduce video size without losing quality with only three steps. You can also convert MP4 to MKV as it allows conversions among all popular video and audio formats without limits. This converter is simple to use. Even you’re a beginner, you can handle this program without hassle. Now, get this video converter and see how to convert MKV files to MP4 below.

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Best Way to Convert MKV to MP4 without Losing Quality

Add MKV files into this program

Before start, please free downloadfree download the software and install it on your Windows PC for preparation.

Step 1. Import MKV Files

Launch the MKV to MP4 converter, go the “Converter” and click “Add Files” to input the source MKV files. Alternatively, you can directly drag and drop the videos into the program.

Tips. If you have multiple MKV files waiting for conversion, you can upgrade the freeware to Pro version for batch converting MKV to MP4 simultaneously.

Choose “MP4” as output format

Step 2. Choose MP4 as Target Format

Click “Output Format” on the right of the main interface. Go to the “Video” tab and choose MP4 profile. Besides MP4, you can also convert MKV to other video/audio formats and devices such as MKV to AVI, MOV, MP3... and MKV to Chromecast, iPhone, Tablet, etc.

Finish the conversion at one go

Step 3. Start to Convert MKV to MP4

Preset the output folder for the converted files and press “Run” to start conversion. When the process is completed, a window will pop up. You can check your converted MP4 videos here and enjoy the videos on the go.

Hot Posts: DVD to MKV l DVD to MP4 l ISO to MKV l MOV to MP4

Method 2. How to Convert MKV Files to MP4 with VLC Media Player?

VLC is a free and popular multimedia player that supports many video formats playback. More than that, you can make full use of it as a VLC MKV to MP4 converter to convert video formats including MKV and MP4. Although it isn’t comparable to professional video converter and can’t convert files at fast speed, VLC is still a functional and useful tool.  Check out the following step-by-step guide if you want to convert MKV files via VLC.

Convert MKV files to MP4 via VLCConvert MKV files to MP4 via VLC

Step 1. Install VLC Media player and the open it.

Step 2. Hit “Media” at the top right corner. Then select “Convert/Save…”

Step 3. The Open Media window will open. Click “Add” button to input MKV videos you want to convert.

Step 4. Click "Convert/Save" button and then choose “Video - H.264 + MP3 (MP4)” from the profile drop-list menu.

Tips: You can also further customize the files through the tool icon, such as changing the video/audio codec, modifying resolution, bitrate, etc.

Step 5. Click “Browse” button to destine the output folder and rename files.

Step 6. Click “Start” to fix how to convert MKV to MP4 now. It may take some time to finish the conversion. The bar in the main window will show you the process.

Method 3. How to Convert an MKV File to MP4 with Online MKV Converter?

If you don’t want to install any plug-ins or software, you can convert MKV video to MP4 through online MKV to MP4 converters. I have tested many online services and recommend you to use to do this job. is easy to use and supports 200+ formats. The following part is the instruction to convert MKV with

Convert MKV files onlineConvert MKV files online

Step 1. Visit

Step 2. Click “Select Files” to upload MKV files to convert MKV to MP4 online. It also allows you to add files from Dropbox, Google Drive, One Drive and Box.

Step 3. After the MKV files is uploaded, you can customize the files by the tool icon. For instance, you’re able to cut videos, change the video and audio codecs. If you want to convert the MKV files to other format, just click the MP4 button to open the output format menu. Then choose your wanted format from the audio, video or image tab.

Step 4. Click “Start Conversion” at the lower right corner.

Step 5. When the conversion process is finished, you can see a “Download” button. Click it to download the converted MP4 video.

Tips. Although Could Convert claims that it doesn’t look at files in its Privacy Policy, however, for your privacy security, you’d better not upload private videos online for conversion.

At Last...

That’s all I want to share with you about how to change MKV to MP4 easily. You can choose either method to help convert from MKV to MP4. But note that though the above methods can turn MKV to MP4 without effort, they only transcode MKV with inevitable quality drop. For converting MKV file to MP4 without any quality loss, the only way is to remux MKV to MP4. Luckily, the advanced HD Video Converter Factory Pro can help you batch remux .mkv files to .mp4 efficiently. You can download it to have a try!

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This MKV file converter is a more advanced tool to help you fast convert MKV files to MP4 in batches without any quality loss. It also enables you to batch compress large video files with high quality preserved.

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