Turn Off the Lights for Firefox

The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.

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Turn Off the Lights for Firefox is available to install from Firefox Browser Add-ons and for download from this page. It has 42,329 active users The latest version is 4.4.5.0, and it was published 7 months ago.

All available versions

You can find the current and older versions of Turn Off the Lights for Firefox here. You can download the archived versions or inspect their source codes.

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

How to install Turn Off the Lights for Firefox from an XPI file

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

How to install Turn Off the Lights for Firefox from a ZIP file

1. Download the Turn Off the Lights for Firefox ZIP file
2. In Firefox browser, go to about:addons to open Add-ons Manager
3. Click on , then select Install Add-on From File
4. Select the Turn Off the Lights for Firefox ZIP file from step 1. Turn Off the Lights for Firefox is now installed on your browser.