Darkness - Beautiful Dark Themes

Darkness - Beautiful Dark Themes is a Chrome extension that provides dark mode for popular websites like Facebook, Google, YouTube, and Gmail. By using dark color themes, it reduces eye strain, fatigue, and headaches caused by bright websites. With the free version, you get dark themes for Google and Facebook, but you can upgrade to the Pro version to access dark themes for YouTube, Gmail, Google Drive, Twitter, and other websites. The extension features 7 designer-made themes and is 100% adware and spyware free, focusing on user privacy.