Sorts youtube playlist by duration

Option 1: Userscript (Recommended)
extension/yt.js and create new Tampermonkey scriptOption 2: Chrome Extension
chrome://extensions/ → Enable "Developer mode"extension folderShortest First or Longest FirstSort all (loads entire playlist) or Sort only loaded (current videos)Sort and watch the real-time logNote: After sorting, don't switch back to YouTube's auto-sort (Date Added, etc.) - manual sorting is permanent.
v4.6.0 (Oct 2025) - Missing video tolerance & adaptive reload tweaks
v4.5.0 - Settings Panel & Dry Run Mode
v4.4.0 - CSV Export & improved move counter
v4.3.0 - Duration filters (min/max length)
v4.2.0 - Playlist statistics button
v4.1.0 - Copy Console & lazy loading fixes
GPL-2.0-only