Categories

Desaturate the favicons of all inactive tabs.

Makes the favicons for background tabs black and white, to make you keep focus on the current tab only.
Does not work on AMO, internal pages and Firefox for Android. May not use the correct favicon on some pages, like Slack.

If you see white squares, disable privacy.resistFingerprinting on about:config!

A port of Chrome Desaturate Favicons.