Do you know any free MKV to MP4 converter? How do I convert MKV to MP4 for free? What is the fastest way to convert MKV to MP4? Many people tend to 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, this post has everything you need. Today, let’s turn our spotlight on how to convert .MKV to .MP4. for special use. Below are some top MKV to MP4 offline converters and MKV to MP4 converter online app for your option.

Table of Content

1. Convert MKV to MP4 Offline

2. Convert MKV to MP4 Online

3. Conclusion

Convert .MKV to .MP4 free and fast

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 converting 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 file converters.

DVDFab Video Converter (Recommended)

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: Free Download DVDFab 12 and choose the Converter module

DVDFab Video Converter is one of the modules in DVDFab 12. So when you download DVDFab Video Converter, you are downloading DVDFab 12 in fact. Then after launching this MKV to MP4 converter, select the module of Converter first.

 i  Free Download    i  Free Download  

Step 2: Load MKV file and customize output via Advanced Settings & Video Edit

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. To convert MKV to MP4, click the Choose Other Profile from the drop-down menu, and choose MP4 from the profile output video formats DVDFab Video Converter has provided.

DVDFab MKV to MP4 Converter

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 (AI upscaling program designed to upscale video from 480p to 1080p, or from 1080p to 4K). You can use them to change output audio format and improve video quality in the MKV to MP4 conversion. 

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 free MKV to MP4 converter: Advanced Settings and Video Edit. Continue to read and see how they work.

Advanced Settings before MKV to MP4 conversion

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.

Edit video before converting .mkv to .mp4

Step 3: Set video directory and start to 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. Above all, it can batch convert MKV to MP4 without any hassel.

Turbo Speed to convert mkv to mp4

Online Video Converter: If you want to convert MKV to MP4 free online insead of installing DVDFab Video Converter, you can turn to its cloud service, an easy-to-use MKV to MP4 converter free online tool.

MKV to MP4 converter online

Note that this powerful yet easy-to-use MKV to MP4 converter software, together with Toolkit and VideoCruise, is integrated into DVDFab Video Converter Pro for the sake of better user experience. It is a full-featured 3-in-1 video converter and video editor that enables users to convert video or audio between popular formats, and edit video, audio, or image as expected. It can meet all needs of editing multimedia files including videos, audio, or images. Let’s check its three tiny components.

 i  Free Download  

Toolkit (Handy but Versatile MKV to MP4 Converter)

This multimedia toolbox is small but complete in every detail. It contains over 20+ tiny tools to process video, audio, image, and subtitles. If you anticipate a light-weight multimedia editing tool that poses no system burden to PC, Toolkit will be your first choice. Within a blink of eye, you will change MKV to MP4 as desired. Besides, you can try out other features to make your MP4 video more shinning and professional.

MKV converter to MP4 in a simple way

  • Video tools: convert, trim, speed up/down, mirror/flip, rotate, crop, sharpen/unsharpen, deshake (GoPro), de-interlace, merge, extract videos
  • Audio tools: convert, trim, volume adjust, denoise (GoPro), normalization, merge, extract audio, remux audio
  • Image tools: video to GIF, video to PIC, PIC to video, GIF to video
  • Watermark tools: text, image, times
  • Subtitles: render subtitles, extract subtitles

How to convert .MKV to .MP4 with Toolkit?

  • Free download, launch DVDFab Video Converter Pro, and choose Toolkit module
  • Load MKV video and customize output MP4 via parameter setting

Set output video before mkv to mp4 conversion

  • Start to convert MKV to MP4 free

Start to convert mkv to mp4

VideoCruise (MKV to MP4 Converter with Powerful Features)

Compared to the professional video editing software in the market like Premier Pro, VideoCruise, as a rising star, allows users to edit video, audio, and image via its powerful editing tools and vivid effects. Be it beginners or professionals, VideoCruise will meet all needs as well.

Change MKV to MP4 with VideoCruise

  • Comprehensive editing packs including speed & volume change, reverse/rotate/flip, color correction, crop, split, mosaic, zoom, freeze frame, set duration, green screen cutout, speech & text converter
  • Ample effects such as audio, text, filters, transitions, overlays, elements
  • Export different video (MP4, AVI, WMV, MKV, MOV, GIF) in up to 1080p or audio (MP3 and AAC) formats

How to convert .MKV to .MP4 free with easy clicks

  • Free download, launch DVDFab Video Converter Pro, and choose VideoCruise module
  • Load MKV video and customize MP4 output via editing tools and creative effects

Add effects to video before changing mkv to mp4

  • Start to convert MKV to MP4

It's a handy MKV to MP4 video converter. As long as you choose Premium Quality (for membership), you can convert MKV to MP4 in 1080p for better playback. But this upscaled feature still fades next to the above-mentioned AI upscaling program.

Start to change mkv to mp4

VLC Media Player (Open-source MKV to MP4 Converter)

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 free 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.

Free MKV file converter


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.

MKV to MP4 video converter with paid features

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?


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 free immediately.

MKV to MP4 converter free online


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.

Online convert mkv to mp4


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.

MKV to MP4 free converter


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.