Good but can be very buggy sometimes.

Scroll lag

Can finally get Excel in dark mode. This extension is a MUST-HAVE!

This extension makes the web unbrowsable. Have been trying on and off for a couple years, but the amount it slows down the browser is insane, and even sometimes the entire browser freezes up. Problem solved by uninstalling.

Wow

Awesome extension, extremely helpful for browsing at night!