Video Downloader
Scan the current page for videos, including YouTube quality options, then save to your download folder. Tag: Media. Playlist plays in the browser. Cast sends the tab to a TV. This PowerUp writes files to disk.
Turn it on
Menu → Settings, or go to stealth://settings. Click Power Ups in the left list.
Find Video Downloader and click Add. Or click Full Power to enable the whole catalog at once.
Settings → Toolbar. Drag the PowerUp onto the toolbar if you want a one-click button. Each PowerUp can also be paused with site protection from the Stealth logo.
Use it
YouTube or any page that hosts a file the scanner can see.
Click the Video Downloader toolbar button.
The panel lists found streams and YouTube quality options when they exist.
Pick a quality and download. Files go to Settings → General → Download Location.