Many people convert MKV to MP4 because MKV files are not playable on common players, while MP4 format has strong compatibility which is playable on almost all devices. Of course there are also other differences between MKV vs MP4. If you’re interested, I have a special article talking about it. Today, let’s turn our spotlight on how to convert MKV to MP4. I have explored some top offline MKV to MP4 converters and online MKV to MP4 converters for you.

Table of Contents
1.Convert MKV to MP4 Offline
  • 1-1.DVDFab Video Converter
  • 1-2.VLC Media Player
  • 1-3.UniConverter
2.Convert MKV to MP4 Online
  • 2-1.CloudConvert
  • 2-2.  ConvertFiles
  • 2-3.  ZamZar

3 . Conclusion

1. Convert MKV to MP4 Offline

Converting MKV to MP4 offline needs you installing some MKV to MP4 converters on your Windows, Mac , Linux or other operating systems. Although it seems a little more troublesome than “convert MKV to MP4 online”, the process of MKV to MP4 conversion is more stable and safe and time-consuming especially when you have many MKV files to be converted to MP4. Now, follow me to meet some powerful MKV to MP4 converters.

(1) DVDFab Video Converter (Windows/Mac)

Why recommend you to convert MKV to MP4 using this video converter? DVDFab Video Converter offers 30-day free trial, and it supports batch conversion as well as many source video formats of videos such as 3GP, AVI, DIVX, M2TS, MOV, MKV, M4A, M4B, MPEG, OGM, etc. Then you can convert any such formats of videos to your favorite video formats, including but not limited to MKV to MP4 conversion. Also, you can change the output audio formats using this MKV to MP4 converter. Would you like to edit your MKV file while you’re converting it? There is a video converter in this free software, allowing you to change video/audio properties,trim or crop it and do more customization to you files. Now, follow me to learn how to convert MKV to MP4 with this free video converter.

How to convert MKV to MP4 with DVDFab Video Converter

Step 1: Download DVDFab 11 and choose the module of “Converter”

DVDFab Video Converter is one of the modules in DVDFab 11. So when you download DVDFab Video Converter, you are downloading DVDFab 11 in fact. Then after launching this MKV to MP4 converter, select the module of “Converter” first.


Step 2: Load your MKV file

This MKV to MP4 converter supports batch conversion, so you can input more than one MKV files here, using the two options :”+” icon or “Add from Local”.


Step 3: Choose “MP4” output format

We’re going to convert MKV to MP4, so click the button of “Profile Switcher” and choose “MP4” from the numerous output video formats DVDFab Video Converter has provided.


There are 8 output video formats provided, including AVI, FLV, M2TS, MKV, MP4, MP4 (Theater), TS, WMV. Convert MKV to MP4 or .MKV to MP4 (Theater) based on your need. Above such output video formats, there are some filters like “3D, Passthrough, 4K, H.265, etc” which you can use together to choose output format.

On the left, there are also options like “Audio” and “Enlarger AI”. You can use them to change output audio format and improve video quality in the MKV to MP4 conversion.


Step 4: Customize your video with video editor (optional)

There are several ways for you to customize your video while you’re converting MKV to MP4. First, after loading your MKV file, you can choose preferred audio track and add external subtitle if there is no subtitles in your file.


Second, there are two options on the main interface of this MKV to MP4 converter: “Advanced Settings” and "Video Edit”. Continue to read and see how they work.


Set video:

Click the button of “Advanced Settings” and customize “Video” Codec, Resolution, Encoding method, Quality, Bit Rate, Frame Rate, Split, Deinterlacing, Output Size and Bits/Pixel, when you convert MKV to MP4.


Set audio:

Then on the same panel, edit audio from its Codec, Channels, Volume, Sample Rate and Bit Rate, during MKV to MP4 conversion.


Set subtitle:

Then there are three modes provided for “Subtitle”, including “Direct render to video”, “Remux into file” and “Extract to idx/sub file”. After setting the option on this big panel based on your preference, click the button of ‘OK” at the bottom.


Now, we come to the button of “Video Edit”. Click it and you’ll see the screenshot below. From top to bottom, you can add ‘Credit”, “Text”, “Image” to your video. Then the options below enable you to adjust video properties like brightness and rotate it, crop and trim your video, as well as set the playback speed. After all the customization, click the button of “OK” in the lower-right corner.


Step 5: Set video directory and convert MKV to MP4

Here we need to decide where to save converted file by using one of the three options: “Mobile Device”, ‘Folder”, and “YpuTube”, “Facebook”, “Vimeo”. At last, click the button of “Start” to convert MKV to MP4 free with this software.


(2) VLC Media Player (Windows/Mac)

Besides DVDFab MKV to MP4 converter, you can also use VLC to convert MKV to MP4, but it works slower than DVDFab. Run it on your computer, and click “Media” > “Convert/Save”. Add your MKV file to this MKV to MP4 converter and convert it to your preferred video format like MP4. Similar to DVDFab Video Converter, there is also a built-in video editor. You can use it to edit MKV and finally click the button of “Save” and convert MKV to MP4.


(3) UniConverter (Windows/XP/Vista/7/8/10)

How to convert MKV to MP4 using UniConverter on Windows? Follow the steps below. After launching this MKV to MP4 converter, click the button of “Add Files” on the top. Then set the output format as “MP4”. UniConverter also supports many format conversion more than MKV to MP4. Once you have set all the options, click the button of “Convert All” to start this conversion. If you want to MKV to MP4 converter free, just use the free version of this software.


2. Convert MKV to MP4 Online

Instead of downloading MKV to MP4 converter to computer, many people tend to convert MKV to MP4 online. Here in order to help them do this better, I have explored some programs for you to convert MKV to MP4 online. How about checking them one by one?


(1) CloudConvert

The first online MKV to MP4 converter is Cloudconvert. It supports MP4, WEBM and AVI format and others including MKV to MP4 conversion. After coming to this website, select file from your computer, Google Drive, Dropbox or through its URL. Then use the options provided to customize your video such as trimming it until you decide to convert MKV to MP4 immediately.


(2) ConvertFiles

The second program helping you convert MKV to MP4 online is ConvertFiles. Look at its interface, I think you’ll be clear about how to use it. Just three steps: Click “Start” > “Add Extension” > “Start Converting”. It’s OK to use this MKV to MP4 converter free.


(3) ZamZar

This website seems to be a special tool for MKV to MP4 conversion. Add files, set the output format as “MP4” and start to convert MKV to MP4 online. After that, you will get the converted file through your e-mail. If you want to keep your mailbox secret, convert MKV to MP4 offline.


3. Conclusion

This is how to convert MKV to MP4 online and offline with such 6 video converters. Each of them has free version even for offline software. Choose one program for MKV to MP4 conversion free. If you desire more output formats and video effects, DVDFab Video Converter is highly recommended on your Windows or Mac. For more programs to convert MKV to MP4 online, read another article.