Pale Moon is an Open Source, Firefox-based web browser available for Microsoft Windows, Android and Linux (with other operating systems in development), focusing on efficiency and ease of use. Make sure to get the most out of your browser! Pale Moon offers you a browsing experience in a browser completely built from its own source with carefully selected features and optimizations to maximize the browser’s speed*, stability and user experience, while maintaining compatibility with thousands of Firefox extensions many have come to love and rely on. Changes: