How to Convert MKV to MP4 with Best Output Quality

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 much a lot of storage space due to their large sizes.  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 almost all devices and players. Therefore, it’s a good idea to convert MKV video to MP4. Next, I’m going to share three simple yet effective methods with you to finish the conversion free in a breeze. Just keep reading.

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.

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.

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 Cloudconvert.com to do this job. Cloudconvert.com is easy to use and supports 200+ formats. The following part is the instruction to convert MKV with Cloudconvert.com.

Step 1. Visit https://cloudconvert.com/mkv-to-mp4

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.

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!