Here is a easy drag and drop utility to convert video file to audio mp3 file:
goto https://ffmpeg.org/download.html and down load ffmpeg
for windows in here: https://ffmpeg.zeranoe.com/builds/
download and unzip the ffmpeg to a new folder
download this bat file as well: mp4_2mp3.zip
unzip the bat file to same directory as so you will have it like this
then copy a video file to this same directory and drag and drop video into the bat file:
a command prompt will open and show the convert process:
when done the mp3 file is created to the same directory
You may also download this with prepackaged ffmpeg and bat file:
