Convert youtube songs and playlists to mp3 or mp4

I will convert any video / music file from youtube to .mp3 or .mp4 of your choosing.

I will need you to provide me with links to videos OR a link to the whole playlist.

Note.1: Please select high quality videos and write a message whether you want an audio file (mp3) or a video file (mp4).

Note.2: Maximum time of 1 video should not exceed 3 hours.