Desaturate the favicons of all inactive tabs.
What is Desaturate Favicons?
Desaturate Favicons is a Firefox add-on that turns the favicons of inactive tabs into black and white. This helps you stay focused on the current tab and improves productivity. Please note that it may not work on certain pages like Slack and Firefox for Android.
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.
Desaturate Favicons is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Desaturate Favicons if you trust the publisher.
Desaturate Favicons has earned a fairly good reputation and likely can be trusted.