macOS Big Sur Dark

dark theme for macOS Big Sur based on "macOS Big Sur Dark (Opaque)" by yumewomiyou with minor modifications made to remove accent color and adjust URL bar highlighting to match Safari

macOS Big Sur Dark is available to install from Firefox Browser Add-ons and for download from this page. It has 5 daily users. The latest version is 1.1, and it was published 4 years ago.

View source code

Install from Firefox Browser Add-ons

Total download count: 0 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of macOS Big Sur Dark 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

Version	Download	Size	Download count	Timestamp
1.1	XPI · ZIP · Source code	8.29K	0	2020-11-30

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

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

Install ZIP file

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