It works seamlessly on all websites I have visited (except the Mozilla add-ons page).

It's way better and lighter than that Dark Reader that's always on the top 10 list,just updates are not frequent.

Better than Dark Reader imo. You have choice of setting websites to default, stylesheet processor, invert, disabled, or simple CSS. The stylesheet processor is why I like this over Dark Reader; it's smarter than just a filter over the screen.

Util para la vista

Great!
Easily using!

Make long periods in front of a screen much easier on he eyes. Works on most sites and is easy to stop or alter if need be.

Amazing

This is an amazing add-on for people who stay up till late hours. Browsing when surrounding is dark, it is very relaxing to the eye. Thanks to the developer.
Just as a suggestion, it might be better for us to select which webpages to be converted to dark theme instead of automatic conversion. This would save me from effort of disabling this add-on so many pages after installing. Also due to some incompabilities on some webpages or if the webpage is already dark sometimes it sometimes makes it worse.
However, I am glad it is here!

Works well and has nice customizations. I used another one that kept slowing down loading of pages. This extension is quite nice (golf clap to developer)