CloudConvert, Zamzar – but be careful with privacy. 4. Editing metadata (title, artist, track number) Since the file is named “01 UP”, you might want to set correct tags.
Example batch rename (Windows PowerShell): 01 UP m4a
ffmpeg -i "01 UP.m4a" -metadata title="UP" -metadata track="1" -codec copy "output.m4a" If “01 UP” means track 01 of album “UP” or artist “UP”: CloudConvert, Zamzar – but be careful with privacy
ffmpeg -i "01 UP.m4a" -codec:a libmp3lame -qscale:a 2 "01 UP.mp3" Media → Convert/Save → Add file → Convert → choose MP3 profile. 01 UP m4a