CONV.
Free
CONV. is a free online YouTube converter and downloader.
SaveFrom.net
Free
SaveFrom.net presents the fastest ways for downloading videos from YouTube, providing the best quality of the saved videos.
TubeOffline
Free
TubeOffline is a free media converter & downloader to help you convert almost any online video/audio to MP4/FLV/AVI/MP3 format.
Converto.io
Free
Convert.io is a free YouTube to MP3 and YouTube to MP4 (up to 4K HD) downloader.
deturl.com
Free
deturl.com is a Youtube video downloader service.
FLVto
Free
FLVto is a youtube to mp3 converter website.
Compare youtube-dl with alternatives
Compare Converto.io and youtube-dl and decide which is most suitable for you.
Compare SaveFrom.net and youtube-dl and decide which is most suitable for you.
Compare deturl.com and youtube-dl and decide which is most suitable for you.
Compare TubeOffline and youtube-dl and decide which is most suitable for you.