ffmpeg

Install ffmpeg on Windows

https://github.com/BtbN/FFmpeg-Builds/releases

• download ffmpeg-N-117304-g358fdf3083-win64-gpl.zip
• copy ffmpeg.exe ffplay.exe ffprobe.exe --> C:\ffmpeg
• Edit env --> Add Path C:\ffmpeg

Convert mkv to mp4

ffmpeg -i "1 Introduktion till Versionshantering.mkv" -c:v copy -c:a copy "1 Introduktion till Versionshantering.mp4"

Powershell

Get-ChildItem *.mkv | ForEach-Object {
$inputFile = $_.FullName
$outputFile = [System.IO.Path]::ChangeExtension($inputFile, ".mp4")
ffmpeg -i "$inputFile" -c:v copy -c:a copy "$outputFile"
}