MP4 to MP3 Converter Batch Script (Windows)

@echo off setlocal enabledelayedexpansion

set 'input_dir=%cd%' set 'output_dir=%cd%\mp3'

if not exist '%output_dir%' mkdir '%output_dir%'

for %%a in ('%input_dir%*.mp4') do ( ffmpeg -i '%%a' -vn -acodec libmp3lame -b:a 128k -f mp3 '%output_dir%%%~na.mp3' )

echo Conversion complete. pause exit