It’s a video container similar to MOV and AVI, except it can hold an infinite amount of audio, video, and subtitle tracks (like SRT or USF). Matroska is connected with the following file extensions:Ī Matroska Video file is one that has the.MKV extension.

The file format is similar to MP4 and other media containers and is totally open source. However, this is beyond the scope of this quick tip.Matroska Multimedia Container is a file format that may hold an unlimited number of video, audio, picture, or subtitle tracks in a single file. The above may be an oversimplified explanation of remux vs encode. This simply changes the container which delivers the video without making any actual changes to the video content itself.Įncoding - This is the converting of the actual video and audio from one format specification to another. Remux - Copy the file from one container to another (MKV to MP4) without re-encoding. Unless or until the MKV format is more widely used, this is a blessing. Since you are no encoding anything it is often instantaneous. for i in *.mkv doįFmpeg makes it easy to remux video files from MKV to MP4. The code below will loop through all the files in the current directory and convert MKV to MP4 files. If you use something like OBS Studio to create a bunch of videos and want to convert them all, simply use a loop.

Videos]$ ffmpeg -i intro.mkv -codec copy intro.mp4 Convert All Files in a Directory from MKV to MP4 Here is an example using a intro we made for our YouTube videos. Then used the -codec copy option to instruct ffmpeg to use the same codec, followed the the name of the output file. Invoke ffmpeg then use the -i option to specify the input file. However, there are very few options needed to change containers. Using ffmpeg to Remux MKV to MP4įFmpeg is a very powerful suite of video tools. In this Linux quick tip we will show you how to convert MKV to MP4 container.īefore you can convert (or remux) an MKV file to an MP4 file, you must first install ffmpeg. However, a lot of other tools (Adobe Premiere Pro) do not support MKV files. I have found that a lot of Linux utilities use the MKV (Matroska multimedia container) as a default container for video.

Ffmpeg mkv to mp4 command line