Cached scripts from older versions of YouTube can conflict with your extension's updated code. Open Firefox and navigate to Privacy & Security . Scroll down to Cookies and Site Data and click Manage Data .
Use the following command to pull the playlist directly through your Firefox session's authentication: yt-dlp --cookies-from-browser firefox "https://youtube.com" Use code with caution. youtube playlist downloader firefox plugin fix
Ensure the extension has permission to "Access data for all websites," often required for capturing YouTube’s video streams. B. Recommended Active Alternatives (2026) Cached scripts from older versions of YouTube can
Toggle the switch to . Reload the page and attempt the playlist download again. 3. Clear Cache and Site Data for YouTube Use the following command to pull the playlist
Note: Only use this step while downloading, and flip it back to true afterward to maintain browser security. Recommended Alternative Open-Source Plugins
Sometimes a browser update or a minor glitch toggles extensions off or corrupts their local data.