This Add-On will display the total duration of Youtube playlist .
WARNING : You need to scroll down the whole playlist to get exact time.

Install

• License: MIT License
• Weekly downloads: 3
• Average daily users: 185
• Rating: 2.6364/5 of 11 ratings
• Created: 2020-03-02 19:30:39
• Last updated: 2020-03-02 19:45:15
• Homepage:
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/yt-playlist-duration/
• API: {343b0933-6ab6-4049-a4ec-4fe4d365f9fc}