A Dark Theme for The Joker Lovers....Why so Serious??
The Joker Theme is available for download. It had 1 active users before it was removed from Firefox Browser Add-ons on 2023-09-30, and it has been downloaded from Firefox-Stats 0 times. The latest version is 2.0, and it was published 2 years ago. Be careful when installing it.
Total download count: 0
All available versions
You can find the current and older versions of The Joker Theme 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
1 version available for download. Install XPI file
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the The Joker Theme 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 The Joker Theme ZIP file from step 1. The Joker Theme is now installed on your browser.