Are you afraid of the dark? No? In that case, add this black theme for Youtube and relax your eyes at night.

Easily switch Youtube to dark mode and back.

Excellent, minimalistic design, which is very convenient at night, as it helps your eyes to relax. Dark Mode for Youtube™ - light extension that almost does not require the memory of your computer. Extension works for all Youtube tabs.
Improve your nightly experience on YouTube with this enjoyable extension. Try it now!