Media URL Timestamper is a Firefox add-on designed to enhance the playback experience of various media platforms by allowing users to create timestamped URLs. This feature enables seamless resumption of long music sets, podcasts, and live streams without the hassle of losing one's progress. It supports multiple websites, including YouTube, Twitch, and SoundCloud, making it versatile for users across different media types. The add-on operates in both manual and automatic modes, applying timestamps at user-defined intervals, which adds convenience for users who consume lengthy media content.

In addition to its timestamping capabilities, Media URL Timestamper allows users to manage their playback without worrying about cookies or local storage requirements. This means users can browse without being logged in or with watch history enabled, making the experience more flexible and secure. The add-on includes a context menu for easy management of timestamps and an option to toggle automatic mode, ensuring that users can customize the functionality according to their preferences. Overall, this tool is a valuable asset for anyone looking to enhance their media consumption experience.