Ffmpeg23exe - 

ffmpeg23exe -i huge_video.mov -vcodec libx264 -crf 28 -preset fast output_small.mp4
  • Open Command Prompt and run ffmpeg -version to verify.

    • First, create a list.txt:

    file 'part1.mp4'
file 'part2.mp4'

    Then run:

    ffmpeg23exe -f concat -safe 0 -i list.txt -c copy merged.mp4

    ffmpeg23exe -i input.mkv -c:v libx264 -preset fast -c:a aac output.mp4

    This allows you to type ffmpeg23exe from any directory in CMD. ffmpeg23exe