YouTube Playlist Duration bar 作者： WaiShen

YouTube doesn't tell you how long a playlist is, or how much of it you've watched. This extension fixes that instantly.

WHILE WATCHING A PLAYLIST VIDEO
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• Total playlist duration
• Watched time so far
• Progress percentage (shown as a number and a visual bar)
• Remaining time until the playlist ends
Everything updates live as you watch — no page reloads needed.

WHILE BROWSING A PLAYLIST PAGE
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• Total duration of all videos in the playlist
• Video count displayed at a glance

WORKS EVERYWHERE
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✔ Public playlists, private playlists, Watch Later, Liked Videos
✔ Dark mode and light mode — matches YouTube's theme automatically
✔ Updates in real time when videos are added, removed, or reordered
✔ No sign-in required, no permissions beyond YouTube