FreeTube lets you not only view videos (sans ads, and you can block sponsors, if desired), but download them as well, and it is cross platform.
FreeTube lets you not only view videos (sans ads, and you can block sponsors, if desired), but download them as well, and it is cross platform.
Firefox extension to right-click YT links directly to Freetube https://github.com/MStankiewiczOfficial/RedirectTube.