Amazon.com: Video and Audio Downloader software for YouTube – download your favorite YouTube videos as MP4 video or MP3 audio – lifetime license – computer program compatible with Windows 11, 10, 8 and 7
YouTube Playlist Downloader – free for all users
YouTube to MP4 Converter
MP4 Video Songs Free Download-How to Download Online MP4 Video Songs for Free
iTubeGo YouTube Downloader, Convert YouTube to MP3, MP4 HD