What is mkv file format and how to convert mkv video to mp4/avi/vob/mov/wmv/mp3 file with iFun MKV Video Converter?

What is MKV format?

First of all make it clear that MKV is not a compression format. MKV is an open free multimedia 

container format that can package a variety of different encoded videos, audios and subtitle 

streams with different languages into just one MKV file. This is also considered as the biggest 

and greatest advantage of MKV file format. Different from audio or video encoding format like 

MP3, Ogg or DivX & XviD, the purpose of MKV format is as a unified format to store videos, 

movies, TV programs and other multimedia content. MKV format defines 3 types of files with 

different extensions: .MKV is video file, and it may contain audios and subtitles as well; .MKA is 

audio-only file, and it may include multiple or different types of audios; .MKS is subtitle-only file.

iFun Video Converter – Free MKV video file Converter

iFun Video Converter is a free MKV converter that comes with user-friendly interface and 

easy-to-use features. It supports converting MKV to any other popular video and audio formats 

like MP4, FLV, 3GP, WMV, AVI, MOV, VOB, 3G2, MP3, AAC and etc. As the best MKV converter, 

iFun Video Converter ensures quick & easy MKV conversion and high video quality for your 

Apple, Android and media players.

How to Convert MKV to MP4

It is quite easy to convert MKV to MP4 format. You can use iFun Video Converter as a MKV to 

MP4 converter, and convert MKV video files to MP4 format with few simple clicks. In the 

following, we will show you how to convert MKV files to MP4 format using iFun Video Converter. 

Install and launch iFun Video Converter, click “Add Files” and select the MKV files you want to 

convert, or simply drag the files to iFun Video Converter.And then click “Custom” button to tune 

the setting. 


Select MP4 as the output format, meanwhile, you can also adjust settings of resolution, frame rate 

and bit rate. Click “OK” to save changes. Finally, click big “Convert” button and finish converting MKV 

files to MP4 format. 



By using this MKV converter, you can also convert MKV to AVI, convert MKV to VOB, convert MKV to 

WMV and other video formats. The only thing you need to do is choose your target format as the 

output format, and iFun Video Converter will complete the rest work for you. Moreover, iFun Video 

Converter can also work as a MKV to MP3 converter to extract audio from MKV to MP3, AAC, OGG, 

WAV, WMA, M4A, AC3, FLAC and MKA audio formats. 

How to convert mkv to avi

mkv to avi converter.png

How to Convert mkv to vob

mkv to vob converter.pngmkv to vob converter.png

How to convert mkv to mov

mkv to mov converter.png

Converting mkv to wmv

mkv to wmv converter.png

Converting mkv to mp3

mkv to mp3 converter.png

MKV File No Sound Issue for downloading movie videos from iTunes store especially 

Many of you may confront with the issue that you play MKV video files on Apple, Android, TV or 

other devices or players, but there’s no sound. Why does MKV file have no sound? 

The most likely cause of MKV files no sound issue is that MKV video files come with DTS sound 

track, such as AC3. Since Dolby collects royalty fees, many free video players remove the support 

for playing AC3 audio track temporarily. As a direct result of this, MKV video files play but no sound. 

In this situation, you can choose to use paid version of media players like AVPlayer, or convert MKV 

files to any other popular video formats.

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