How to Convert Video Files From Mkv to Mp4

Updated on April 3, 2019
Susan May Gudge profile image

Susan May Gudge has experience with Telex, Adams, win95, win98, XP, windows 7/8/8.1/10, with interests in 3D graphics and webpage creation.

Why Convert From MKV to MP4?

The big problem with MKV files is they are not always able to play on some players. One example is the Windows Media Player which needs a special codec installed in order for the MKV video to work. The more acceptable extension would be mp4 for most machines. MKV and MP4 are only the containers containing the video itself. Changing it from MKV to MP4 will only change the container and will not change the video quality in any way. The only difference will be that the MP4 file will be a slightly different file size than the MKV.

The easiest way to convert them would be to use the free VLC video player which has a handy conversion tool built in. I have used the VLC system for years and find it to be both safe and easy to use. You could not ask for better from a free program with no hidden costs or trials.

A free copy of this excellent media player is available at the link provided below. The player has some nice features that are not available on other programs like the Windows Media Player. It also has a volume control of up to 125% for those hard to hear videos and can play almost any video files available, including MKV and RAR.

VLC Media Player
VLC Media Player

Convert by Following These Thirteen Easy Steps Using VLC

  1. Click Start
  2. Choose VLC video player program
  3. Click "Media" on the VLC viewer
  4. Click "Convert/Save..."
  5. Click "+Add"
  6. Choose video
  7. Click "Open"
  8. Click "Convert/Save"
  9. Choose Profile setting
  10. Choose Destination file
  11. Name the file
  12. Click Save
  13. Click Start

Backup Your Files

Seagate Portable 1TB External Hard Drive HDD – USB 3.0 for PC, Mac, PS4, & Xbox (STGX1000400)
Seagate Portable 1TB External Hard Drive HDD – USB 3.0 for PC, Mac, PS4, & Xbox (STGX1000400)
Approximately 1,000 movies can be stored as a backup on this external drive. Before reducing them from DVD to MP4, it can store only about 250 movies. I have owned one Seagate external drive for years. I was very satisfied with its performance so I recently bought this newer Seagate model as a second backup drive.

Step 1 - Start

Click on the start button on the lower left side of your monitor to bring up the Start Menu.

Windows Start Button
Windows Start Button

Step 2 - Start Menu

Choose and open the VLC player from your Start menu.

Step 2 - Open VLC program
Step 2 - Open VLC program

Step 3 - Media Button

On the top left hand corner of the VLC player is a button called Media. Click on that to continue to the next step.

Media Button
Media Button

Step 4 - Convert/Save

From the Media menu, click on the one called Convert/Save.


Step 5 - Add File

Click on the +Add button to add a video file to the converter.

Add file to be converted.
Add file to be converted.

Step 6 - Choose Video

Choose the video you wish to have converted to an MP4 format from your files.

Choose video to convert.
Choose video to convert.

Step 7 - Open

Click on the "Open" button to add the video to the convert box.

Open Button.
Open Button.

Step 8 - Convert/Save

Click on the "Convert/Save" Button to start the conversion process.

Convert/Save button.
Convert/Save button.

Step 9 - Profile

When you have chosen Convert/Save, another box will open. For the best audio and video setting for MP4, make sure that the Profile choice is set on "Video - H.264 + MP3 (MP4)" to ensure that you get both sound and picture converted.

Profile choices.
Profile choices.

Step 10 - Choose Destination

It is best to choose a different location than the original file folder for the completed work. Since the file extensions do not always show, it makes it easier to find it later when you keep the converted MP4 in a different folder than the MKV. Click on the "Browse" button to find a suitable place to store the new copy.

Destination Folder.
Destination Folder.

Step 11 - Name the File

If you do not put the extension ".mp4" on the file name, the converter will convert it from an MKV to an MKV. This step is very necessary to save you time and grief when it does not properly convert it to an MP4.

Name the video.
Name the video.

Step 13 - Save

Once you have properly named the video with the ".mp4" extension added on, Click on the "Start" button.

Start Conversion.
Start Conversion.

Conversion Time

That is all there is to it. Your video is now in the process of being converted from an MKV to a MP4. Each video takes quite a long time to convert. There is no quicker way. You can keep track of its progress at the bottom of the VLC player. It is recommended not to close VLC during the conversion process. Just pour yourself a coffee and let it run.

Progress Meter
Progress Meter

© 2019 Susan May Gudge


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