For the last point (blocking thumbnails), you don't need an extension if you're comfortable with DNS blocking. Add in your /etc/hosts: 0.0.0.0 i.ytim

For the last point (blocking thumbnails), you don't need an extension if you're comfortable with DNS blocking. Add in your /etc/hosts: 0.0.0.0 i.ytimg.com fe80::1%lo0 i.ytimg.com 0.0.0.0 yt3.ggpht.com fe80::1%lo0 yt3.ggpht.com