5 Best FREE MKV to MP4 Converters to Convert MKV Video for Windows and Mac

MKV vs MP4

MKV (Matroska) and MP4 (MPEG-4) are both container formats to store video and audio. MKV is a flexible, open standard video file format wildly used for HD videos. MKV is also the basis of WebM video, which is dedicated to developing a high-quality, open video format for the web that is freely available to everyone. It has better support than MP4 for some features like subtitles, multiple video and audio tracks and chapters.

However, MP4 has much higher compatibility and better performance than MKV video on multiple Media Players, Mobile Phones, and Portable devices, that is why many users need to convert MKV to MP4. Multiple MP4 files are easier to save and large or separate files can be saved into one single file. MP4 files are more user friendly in terms of copying, moving, uploading, and playing. You can easily enjoy MP4 video on MP4 Player, X-box 360, PS4, iPhone/iPad/iPod, and Android devices.

So, how to convert MKV file to MP4 video on windows and Mac? Don't worry, we will provide top 5 Free MKV to MP4 Converters and one professional tool with more powerful functions like editing features and 4K/1080P HD video settings, and you can choose the preferred one for converting MKV video.

MKV to MP4

Part 1: 5 Best Free MKV to MP4 Converters with Converting Guides

1. VLC - Windows and Mac

VLC Media Player, the Free and open source cross-platform Player software, helps you play most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols. Also with the converting function, you can even convert MKV to MP4 file with several clicks. How to convert MKV file to MP4 format using VLC? Here's the overall guide.

Step 1

Download and install VLC Media Player

Download the latest VLC, which provides different platform for you to choose. Then install it on your PC and start to run the software. Click the Media tab in the top toolbar from the main interface, and select Convert / Save... to enter into Open Media window.

Add video
Step 2

Choose MKV file you want to convert

In the Open Media window, click Add button to select local MKV files. After that, it should be added to the list. (Alternatively, you can drag & drop a file into the list.). Click Convert / Save button on the bottom of the File window to enter into Convert window.

Choose File
Step 3

Set profile and destination for output MP4 file

You can select Video - H.264 + MP3 (MP4) as out profile, and then click "Tool" Button to open Profile Edition window, here you are allowed to choose video/audio codec and subtitles for output MP4 video file. Click Save button to save all the profile settings and close the window.

Come back to the Convert window and customize the Destination where you need to save the output file.

Set Profile
Step 4

Start to convert MKV to MP4

Change MKV to MP4 format, you just need to click Start button at the bottom of the Convert window. The timeline will turn into a progress bar, waiting for a while and the converting process will complete.

Convert video

2. Freemake Video Converter - Windows and Mac

Freemake Video Converter is also a Free MKV Video to MP4 Converter software, which has the ability to convert MKV and also other popular formats like AVI, MOV, WMV, TS, MP4, FLV, MP3 to needed video/audio format. Import photos or audio files to turn multimedia to video. Convert multiple videos at once. All modern codecs are included: H.264, MKV, MPEG4, AAC. How to change MKV to MP4 file with Freemake Video Converter? Here is the easiest steps.

Step 1

Launch Freemake Video Converter. Click "+Video" button or just drag & drop all the MKV videos you want to convert to MP4.

Step 2

Click "to MP4". Choose a ready preset (better "Same as source") or create your own one.

Step 3

Click "Convert" and wait till the MKV to MP4 conversion is completed.

Add video

3. HandBrake - Windows and Mac

HandBrake is a Free tool for converting video from nearly any format to a selection of modern, widely supported codecs. MKV and AVI are both easy to convert to MP4 with HandBrake. You are allowed to select your conversion settings in just a few seconds or spend a while tweaking them in detail, whichever you prefer.

Step 1

Install and launch HandBrake, click the "Source" button on the toolbar, select "Open File", and open your MKV file.

Step 2

Click the "Browse" button under "Destination", choose the folder the new MP4 file will be saved to, and enter a name for it.

Step 3

Under Output Settings, the MP4 container format should be selected by default. If you don't want to do anything extra, you can now just click the Start button and HandBrake will convert your MKV video to MP4 file.

[Optional] If you'd like to set more quality settings, you can click around using the tabs at the bottom before clicking the Start button. You're free to set a new height and width for the video, crop it, add filters, change the video quality setting, choose a video codec (but you should probably use the default H.264 (x264) codec), choose codec profiles, import SRT subtitle files, and customize audio tracks.

Add video

4. Free Video Converter - Windows

Free Video Converter is totally free MKV MP4 Converter for Windows users to convert videos like MKV to MP4, and other popular videos with zero quality loss. It can convert between 300+ formats for free and support multiple portable players and devices. After converting, you are easily watch converted MKV video/movie on iPhone/iPad/iPod/Sharp/HTC/Google/Sony/LG, and more.

Besides, it provides the editing video function, which lets you add opening and ending title with different images themes and words. There are many animal themes, beautiful landscapes throughout the year as the opening and ending theme in your video. What's more it helps you edit words with title, author and time, etc. Blow is the steps on how to use the best Free Video Converter for Windows.

Step 1

Download this Free Video Converter and install it to Windows PC. Run it to open the main interface.

Step 2

Click "Add File(s)" to check the MKV video file(s) which you want to convert.

Add video
Step 3

If you want to enrich your output MP4 video, you can click "Edit" to add opening and ending theme and words to edit your own video title.

Step 4

Click the dropdown button of "Output format" to choose the target video format. And "Convert" the video with one click.

Edit Video Menu

5. Free-Make Video Converter - Mac

Free-Make Video Converter is easy-to-use Free MKV to MP4 Converter for Mac users, which has the ability to convert between 300+ formats like MP4, MOV, AVI, MKV, FLV, WMV, TS, MPEG on Mac OS. Besides common videos, it can even convert MKV to 4K/1080p HD video to enjoy on iPhone, iPad, iPod, Samsung and more Android devices for Free.

Besides, it has many edit functions to personalize the video at will. You are able to trim and clip the video length, crop video area, add watermark and adjust video effect like Brightness, Contrast, Saturation, and Hue. With 6x fast conversion speed, all converting processes would be finished in second time.

Step 1

Add MKV video file(s)

Download Free-Make Video Converter on App Store and install it to your Mac. Open the software and click "Add file" button to load the MKV file.

Add video
Step 2

Choose output format and output settings

Click "Profile" button and select "HD H.264/MPEG-4 AVC video (*.mp4)" or "MPEG-4 Video (*.mp4)" format. Then click "Settings" button to adjust video/audio settings.

Choose File
Step 3

Edit MKV video file [Optional]

This excellent free video file converter is also a great video and music editing software enables you to edit MKV video according to your need. With the software, you can conveniently clip the target video into segments, or add 3D effects or customized text or image watermark and so on.

Last, click "Convert" button at the bottom-right corner in the main interface, and convert the target MP4 video.

Edit Video

Part 2: How to Convert MKV to MP4 with the Powerful Converter

Tipard Video Converter Ultimate is also a MKV to MP4 Video Converter software. This excellent and reputable software supports you to convert MKV videos to MP4, AVI, MP3 and more others. It also converts any 4K Ultra videos to 4K /1080p HD video and others your needed. Thus, you are able to play Ultra HD video on any 4K TV like Samsung, Sony, Vizio and others, play HD video on mainstream digital devices like iPhone 11/ XS/XR/7/7 plus, iPhone SE, iPhone 6s/6s plus, iPhone 6/6 plus, iPad, iPod, Samsung Galaxy, and more.

Add Video Files into Video Converter Ultimate

Below are the editing features for you to customize the MKV file:

  • 1. It allows you to improve the video quality by using the excellent editing features.
  • 2. It is necessary to resize the videos, rotate or flip video clips and crop the videos before any further edit of MKV videos.
  • 3. Adjust the effects and filters of the video files and audio files, de-interlace the video files for a better preview experience.
  • 4. In order to protect the video file, you might also need to add watermark when you edit the video files.
Step 1

Load MKV Video files

Load any MKV Video files you want to convert by choosing Add Files button to load the MKV files or the whole folder in the main interface. Or you can click the big plus button to add the MKV files.

Load MKV Videos
Step 2

Choose output MP4 format

Based on the formats supported by your portable devices, you can select the output format for the movie from the drop-down list of Convert All to.

Video Converter Ultimate Select Output
Step 3

Profile settings

Detailed video and audio settings are provided by this MKV to MP4 video converter software for you to adjust, such as video Encoder, Frame Rate, Resolution, Bitrate and audio Encoder, Channels, Sample Rate, etc., by clicking the settings icon next to the putout MP4 format. Even more, you can input your own parameters. The well-customized profile can be saved as new creation for your later use.

Video Converter Ultimate Customize Profile
Step 4

Edit MKV video to create personalized MP4 format

Click the Edit option in the star image in the main interface to make any change for the MKV to MP4 videos. You can rotate or flip MKV video, crop and trim video clip, add video effects for MP4 video, add the filters, edit the background audio track and subtitle, and add watermark for MP4 video.

Edit MKV Files
Step 5

Start conversion

Click Convert All button to start to convert MKV Video to MP4. The added files will be converted at the same time. If you want to get a combined file, you can check the box of Merge into one file. You can also adjust the order of the clips by clicking the Arrow icon in the video list. And then you can enjoy your MKV video on your portable devices anywhere.

Convert MKV to MP4

Part 3. FAQs of Converting MKV to MP4

How do I convert MKV to MP4 for free?

You can use Tipard products. Tipard Video Converter Ultimate is free to use.
Step 1. Click Add Files to import your source files.
Step 2. Select the MP4 output format and the Destination folder.
Step 3. Click Convert All to view your converted files.

What is difference between MP4 and MKV?

Both MKV and MP4 are container formats. But with the same quality, MKV may have larger file size than MP4. It’s primarily due to audio tracks, subtitle tracks, and other features.

How to convert MKV to MP4 without quality loss?

Tipard Video Converter Ultimate enables you to convert files with the original quality. Add your MKV file to the converter and select an output format. You can choose Same as source. Then you’ll get a lossless video.


This article reviews 5 methods to convert MKV files to MP4. You can use one of them on Windows/Mac. In addition, you can also convert MKV to MP4 online. After knowing them all, you can choose the appropriate one and have a try.

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5 Best FREE MKV to MP4 Converters to Convert MKV Video for Windows and Mac