How to Extract a YouTube Playlist ID and Calculate Its Total Watch Time

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YouTube playlist URLs contain a query parameter called 'list', whose value serves as the unique playlist ID, usable even when embedded in a standard video URL. A developer has shared a free tool that extracts this ID by accepting various YouTube URL formats, including standard playlist links, video URLs with a playlist context, and short links. The same developer also built a YouTube Playlist Length Calculator that displays total duration, video count, and adjusted watch times for speeds like 1.25x, 1.5x, and 2x. These tools are aimed at students, creators, and developers who need to plan study sessions, audit course content, or build playlist-based workflows. Both utilities are free and also support features such as CSV export of playlist videos and watch-time planning.

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