Discover Firefox Extensions to Diff Detection.
Highlights differences between compared items at the line and word level.
Distill Web Monitor is a powerful browser extension and cloud-based web monitoring tool that alerts you to changes on websites, ensuring you never miss crucial updates, price drops, or content modifications. It offers flexible monitoring options, from simple text and visual comparisons to advanced rule-based tracking.
Update Scanner is a long-standing and reliable Firefox extension designed to monitor web pages for content changes. It's particularly useful for tracking updates on websites that do not offer traditional Atom or RSS feeds, providing a simple and efficient way to stay informed about modifications.