Turn Off the Lights works in all known browsers. You can easily darken a web page with one click on the lamp button, and the video player will automatically be highlighted.
Turn Off the Lights even does more. For example, it helps you protect your eyes and brings an entertainment feeling in your browser.
Show a more vivid atmosphere effect around the video player. That makes the video more beautiful and enjoyable.
Work at night, without damaging your eyes. Switch to a dark theme on YouTube or on any other website.
Go far beyond the stars, add an extra cool effect on the dark layer. Make the web page more movable than ever before.