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How to convert MKV to MP4, MKV to AVI Free

Convert MKV to MP4 or MKV to AVI free & fast! Free MKV to AVI / MP4 Converter can change your Matroska file to MP4 or AVI in high definition. Convert MKV to AVI in batch. Watch your movies on any TV, PC, iPhone, Android, and other popular mobile devices. HD, Full HD & 4K quality support. 250+ ready presets to convert your MKV file. 100% free download!
Recognized as the best MKV to MP4 converter of 2020!
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Get the job done in these easy steps:
1. Download & install free MKV to AVI converter
2. Add Matroska files to convert to other file format
3. Click "to AVI" or "to MP4" video formats
4. Customize final video file parameters
5. Convert MKV to AVI or convert MKV to MP4 format
or Watch video guide Hide video guide

See how to convert MKV to MP4 or MKV to AVI files free:

1

Download MKV to MP4, AVI Converter

Looking for the best program to convert MKV to MP4 or AVI format w/o quality loss? Save the Freemake file on your PC and double-click to run it. The freeware from the official developers' website can be launched on Windows PCs and laptops only. The supported OS versions are Windows Vista, 7, 8, and 10. Please note that this MKV to MP4 converter has no official Mac version.

By default, you download the online installer which takes all the required files from the Internet during the installation. If you need the offline software version file, please contact our support team for more information.

Follow the installation procedure up to the end. You might simply click the "Next" button all the time. The software will start automatically straight after the installation of the video converter program is done.
2

Add MKV video files to convert

You may transform any Matroska media file with h.264 codec. Drag-'n-drop your MKV video files into the MKV to MP4 converter free by Freemake. Alternatively, you can click the "+Video" button and select the necessary media clips from your PC. Add multiple videos at once and change MKV to AVI or MKV to MP4 file format in batch. Please note that large Matroska video files should be converted one by one. Even MKVs with subtitles are supported.
convert MKV files on windows (thumbnail) сlick to enlarge
3

Choose AVI, MP4 or other format

Freemake free MKV to MP4 converter for Windows offers dozens of popular conversion options & features. Make up your mind what output video format or multimedia container is the best to convert your movies to. It depends on the gadget on which you will use to play the files (Apple, Samsung, Sony, or other multiple devices). We recommend choosing to convert to the MP4 container format to get videos ready for upload on popular portable gadgets or streaming. Alternatively, you may convert file to AVI output format to play them on desktop and TVs.
free mkv video to mp4 converter (thumbnail) сlick to enlarge
4

Customize video file parameters

Leave everything "as is", if you don’t want to deal with the media settings.

In case you want to control everything, click on the drop-down menu to see available ready options, such as codec, fps, audio codec, etc. Pay attention to the right column to understand what is the difference between them.

You’ll also find a custom profile at the bottom of the menu. If you click it, you’ll be able to select personalized settings such as frame rate, bitrate, video codec (MPEG-4, h.264, DivX), frame size (video resolution), audio codec and other parameters, and so on.

Whether you plan to convert MKV to AVI or MP4 video format for the same device, you can name and save your preset for future use.

In case you want to play the webrips on a mobile phone, you are able to convert and reduce their final file size to save the phone free space. Before running the conversion, click the weight sign and insert the desirable final video file size.
convert mkv to avi file freeware (thumbnail) сlick to enlarge
5

Convert MKV to AVI or convert MKV to MP4

Launch MKV to MP4 or AVI video conversion when everything is ready. Set the destination folder for your new video and click the blue "Convert" button. The converting procedure may take some time depending on how powerful and thus how fast your computer is.

As soon as the process finishes, go and check your new video file. For example, you may use Windows Media Player or VLC media player to watch it. Or transfer the movies to a USB drive to play MKV files on TV.

This guide is valid for any Matroska movies. However, if you have an HD file, you might find it useful to learn how to convert HD videos for free and save the original video quality.

Look also how to convert MP4 to AVI with Freemake software.
convert mkv video to avi and mp4 (thumbnail) сlick to enlarge
Now it’s your turn to try!
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To say even more:

How to convert MKV file to MP4 or AVI format without losing quality?


It's easy. Get Freemake MKV to AVI converter software here. Follow the steps above and choose the "Same as source" preset to keep all the original video quality. It usually comes by default. Free MKV to AVI converter will automatically count the required bitrate, frame rate and other audio & video parameters for the new file. Hit the "Convert" button to save the file in the original video quality & new output format.

Is it possible to modify MKV file before conversion?


Yes, it is. Unlike online and open source video converters, Freemake provides a wide range of ediing settings for free. In fact, our free MKV to MP4 file converter is the best option to quickly perform basic video editing changes in your MKV file. To transform your movie, add your visuals and click the scissors button to start modifications.

If your audio track is not good or you simply want to turn the video into a mute clip, you can extract only video stream. Click on the audio settings of the clip and select "No audio" from the drop-down menu. Don't forget to convert the media file to save the changes. For example, convert MKV to AVI extension to watch the video on your PC or TV set.

How to convert online MKV videos?


MKV file format is not suitable for online video streaming. However, if you find a Matroska video file stored online, you may download and convert it to MP4 or AVI format free with Freemake MKV to AVI Converter. Drag-'n-drop the clip into the program. Then convert the media free & fast following the steps above.

How to change big MKV files to AVI or MP4?


Freemake freeware works with large MKV media files perfectly well. It doesn't matter how large your MKV video file is. You may keep the high video resolution by using "Same as source" profile. You can even keep subtitles for such a video (but not multiple audio paths). To do this, drop your MKV file into the Windows software. Choose the original audio and subtitles parameters in the video info line. Then select converting to AVI or MP4 output formats, a destination for your converted date, and start the files conversion. The process may take some time depending on your computer capacities.

How to convert MKV file to AVI or MP4 on Windows 10?


Freemake free MKV to AVI converter works on Windows 10 as well as on other Windows platforms. To convert a Matroska file with it, just follow the steps above. Choose either AVI (Audio Video Interleave) extension or MP4 (MPEG-4 Part 14) container as output video formats for your new movie. The first media format will suit desktop video players or modern TV sets, while the second container is perfect for online video streaming and playback on mobile devices.

Click the "Convert" button once you've chosen a conversion profile & convert your multimedia file. Please keep in mind that your converted film will support only one subtitle version and one audio track in the output videos. You can also convert multiple video files in different formats at once.

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