Retrieve duration of any YouTube video in milliseconds in LioranBoard 1 or LioranBoard 2.
Special thanks goes to MisterK for migrating the extension to LioranBoard 2.
DISCLAIMER: The extension is provided as is. The developer has no obligation to provide maintenance and support services or handle any bug reports. Feel free to edit the extension for your own use. You may not distribute, sell or publish it without the author’s permission.