Dark Mode Ultimate

Switch website you want to dark mode. Dark mode will help devices save battery and reduces strain on your eyes.

Dark Mode Ultimate is available to install from Firefox Browser Add-ons and for download from this page. It has 372 active users The latest version is 1.0.2resigned1, and it was published 6 months ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 0 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of Dark Mode Ultimate here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
2 versions available for download.

Install XPI file

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  1. In Firefox browser, go to about:addons to open Add-ons Manager
  2. Click on , then select Install Add-on From File
  3. Select the Dark Mode Ultimate ZIP file from step 1. Dark Mode Ultimate is now installed on your browser.