Brightness Slider Per Tab is a Firefox extension that allows users to easily adjust the brightness of web pages. Designed for personalization, it features a user-friendly popup icon that presents a brightness slider, enabling quick modifications without leaving the current tab. This tool is lightweight, requiring minimal permissions and avoiding background scripts, which helps conserve system resources during use.

The extension offers an intuitive control mechanism, allowing brightness adjustments via the icon or a customizable keyboard shortcut. Users can press Ctrl+Shift+L to access the slider and utilize the left and right arrow keys for instant adjustments. For those who prefer more permanent settings, additional configuration options are available through a provided link, enhancing the overall user experience.