Many Firefox users rely on playlist downloader extensions to save YouTube content for offline viewing. However, frequent changes to YouTube’s code can break these plugins. If your playlist downloader stopped working, don’t uninstall it just yet — here’s how to fix it.
YouTube frequently updates its encryption ("signatures"), which can cause downloaders to save or fail to detect videos. Navigate to YouTube. Click the padlock icon next to the address bar. Select Clear cookies and site data and reload the page. youtube playlist downloader firefox plugin fix
Select , search for the extension name or YouTube, and click Remove Selected . Best Firefox Plugin Alternatives for Playlists Many Firefox users rely on playlist downloader extensions
This plugin relies on YouTube's ajax scraping. YouTube changed its playlist pagination. Select Clear cookies and site data and reload the page
If the permission for googlevideo.com is missing, the plugin cannot access the actual video streams. Some plugins require you to manually add this domain in their settings page (look for “Allowed Domains”).
The YouTube Playlist Downloader plugin, which was previously functional, suddenly stopped working due to the following reasons: