(the successor to youtube-dl). It is a command-line tool, but we will integrate it with Firefox so it works like a plugin.
Only do this if you understand the security risks of running an outdated extension. youtube playlist downloader firefox plugin fix
Sometimes old data prevents the plugin from recognizing new playlist structures. Go to . Scroll to Cookies and Site Data . (the successor to youtube-dl)
Ensure the extension has permission to access youtube.com and googlevideo.com . Go to about:addons → extension → Permissions → enable “Access your data for all websites” if needed. youtube playlist downloader firefox plugin fix