YouTube Playlist Duration

About

An very lightweight extension to calculate & shows the total duration of the YouTube playlist in the popup of the extension.

You will see the following the following displayed:
  - Videos counted (how many videos were used to calculate the total duration)
  - Average Duration of a video
  - Total duration of the playlist
  - Dropdown to choose playback speed which in turn shows the duration in that selected speed.

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💡How to use:
The script uses the DOM to calculate the length so there are no API calls to cause slow downs or pose security risks.

After installing & enabling the extension, simply visit any YouTube playlist overview page (the URL should begin with 'https://youtube.com/playlist').

For example, https://www.youtube.com/playlist?list=PLC3y8-rFHvwisvxhZ135pogtX7_Oe3Q3A

Or open a page where a video is being played from a playlist...
The details can then be found within the extension pop-up.