Do you experience an FPS drop in the video frame per second on your playing high definition YouTube video (such as 1080p or 4K)? And that when you enable the Turn Off the Lights dark layer? You are not alone, and that FPS drop caused mostly by 3rd party browser extensions. In this help page, you will read the solution on how to solve this issue in your favorite web browser. And you can accomplish back the best and high video performance experience with this useful browser extension.

Solution to prevent video FPS drop
Disable the other Browser extensions to get back your high FPS and prevent drop
Google Chrome
Open your Chrome extension page: Chrome://extensions
And disable all the Chrome extensions except Turn Off the Lights
Firefox
Open the Firefox preference page on the extension tab: about:addons
And disable all the Firefox extensions except Turn Off the Lights
Microsoft Edge
Open your Microsoft Edge extension page: Edge://extensions
And disable all the Microsoft Edge extensions except Turn Off the Lights
Reset the Turn Off the Lights settings
Click right on the gray lamp button, and select the menu item Options. When the Turn Off the Lights Options page is loaded, click on the tab Advanced Options. Now scroll to the bottom of that web page and click on the big button Reset the Turn Off the Lights settings.
Reinstall the Turn Off the Lights Browser extension
You can uninstall the Turn Off the Lights Browser extension by clicking right on the gray lamp button, and select the menu item “Remove from browser”. And you can install the free and open-source Turn Off the Lights browser extension back from the official Turn Off the Lights website.
Did you find technical, factual or grammatical errors on the Turn Off the Lights website?
You can report a technical problem using the Turn Off the Lights online technical error feedback form.