Installation

Download video as mp3

yt-dlp -x --audio-format mp3 URL_HERE

 

Convert webm to mp4

 ffmpeg -i input.webm -c:v libx264 -preset slow -crf 22 -c:a aac -b:a 128k output.mp4

 

Download video as mp4

 yt-dlp -f "bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best" SOURCE_URL

 

Convert video codec to x264

 ffmpeg -i input.mp4 -c:v libx264 -crf 23 -preset medium -c:a aac -b:a 192k output.mp4