Dark Reader is a Chrome extension that offers a dark theme mode for all websites, aiming to reduce eye strain and provide a comfortable browsing experience day or night. By applying a dark mode to any webpage, users can protect their eyes and enjoy a visually appealing interface for reading online content.

The extension allows users to easily switch between light and dark themes with a simple click on the extension icon. This feature enables users to customize their browsing experience based on their preferences and lighting conditions, making it suitable for those who work at night or prefer a dark background for reading.