Blur is a Firefox extension designed to enhance user privacy by blurring images and videos on web pages. With over 100,000 installations, it offers users the ability to focus on textual content without distractions from visuals. The extension supports keyboard shortcuts for quick blurring and unblurring, making it user-friendly for those who want to maintain their privacy while browsing. Additionally, it includes an allow list feature, enabling users to specify which websites should display unblurred content.

The extension comes with support for multiple languages, including English, Mandarin, Russian, Arabic, Bangla, Hindi, and Urdu, catering to a diverse user base. Users can also customize their experience by selecting from light and dark themes, as well as two additional fun themes. Power users benefit from options to unblur specific content types and blur shadow DOM elements, providing enhanced control over their browsing experience.