Question: what is the best free software to download youtube videos?
Answer: KeepVid. Let's start off with the most basic (and one of the most popular) tools. ... 
y2mate. y2mate is another (rather simple) YouTube to MP4 converter. ... 
Videoder. ... 
Snaptube. ... 
Airy. ... 
TubeMate. ... 
4K Video Downloader. ... 
YT Cutter.