Distill, accessible at https://distill.io, is a web-based service designed to monitor changes on webpages and notify users of modifications. It allows users to track updates on various online content, such as blog posts, stock prices, product availability, and more. Distill offers features like customizable alert settings for specific page elements, multi-platform notifications through emails, SMS, and push notifications, and integration with various browsers and web applications. Users can choose between free and premium plans, with premium subscribers benefiting from enhanced monitoring capabilities and more frequent checks.