Freetube but if you want HD you have to separate out the video and audio downloads then combine them after. A little annoying but it does have download right there in the client

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em-bee 4 hours ago | parent [-]

freetube removed the download feature a while ago. see my other comment above on how i use freetube to download videos.

	▲	Forgeties79 4 hours ago \| parent [-]
		Dang really? Guess I just haven’t needed it in a while