Do you want to download videos from YouTube?
Now it's easier than ever with this Extension for Opera.
Download any video as 144p(3GP), 240p(3GP,FLV), 360p(FLV,MP4,WebM), 480p(FLV,WebM), 720p(MP4,WebM), 1080p(MP4,WebM), 4K(MP4) and Audio Only(M4A).
Under the video, you'll see an download button. Click it, and then, a pop-up menu will appear. Select the quality that you want.