How to Turn On Dark Mode on Mozilla Firefox

In this tutorial, we are going to see how to turn on dark mode on Mozilla Firefox. Dark mode enthusiasts are more numerous than ever, and with good reason, since it puts less strain on our eyes and conserves some of our laptop batteries.

Recently, on StackHowTo.com, we explained to you how to enable dark mode in Windows 10.
 

 

How to Turn On Dark Mode on Mozilla Firefox

Step 1: To change your Firefox theme, click on menu > Add-ons and theme in Mozilla Firefox.
 

 
Step 2: Click on Themes on the left menu and click on Enable button to enable the dark mode. The Firefox theme will change instantly.
 

 
You can install more themes from the “Themes” section of the Mozilla add-ons website.
 
 

If you have synchronization enabled on Firefox, the selected theme will be synchronized with any other computer on which you are connected to Firefox.

Note that the title bar, toolbar, and menus for Firefox are darkened, but web pages are not affected. You will need a browser extension such as Dark Mode to make the entire web dark.