Highly customizable, ad-free, and bypasses many standard extension limitations.
: GNU General Public License v3.0 (fully open source)
While often used for single videos, it offers quick batch downloads and supports 1080p high-definition formats. Very easy to use, lightweight.
You can verify the plugin's reputation and permissions directly on the Firefox Add-ons store. youtube playlist downloader firefox plugin
While one of the most popular and trusted extensions on the Firefox Add-on store (officially "recommended" by Mozilla), it has a major limitation: it only downloads single videos. It is a fantastic tool for saving one video at a time, but it will not help you with playlists. It also currently caps at 1080p resolution.
: Understand the risks before proceeding. If you're downloading your own content or videos clearly marked for reuse, you're on firmer legal ground. If you're downloading copyrighted music, movies, or TV shows, you're stepping into a legally ambiguous (and potentially problematic) area.
Widely maintained and updated frequently to handle new web structures, updated as recently as January 2026. You can verify the plugin's reputation and permissions
"Effortlessly Download YouTube Playlists with This Firefox Plugin"
brew install yt-dlp
Approximately are in the playlists you want to download? AI responses may include mistakes. Learn more Share public link It also currently caps at 1080p resolution
With these risks clearly outlined, if you still wish to proceed, here is a careful analysis of the current options for 2026.
Mozilla maintains strict guidelines regarding media ripping extensions. Extensions that directly violate YouTube's Terms of Service regarding downloading copyrighted content are frequently removed from the official Add-ons library. Consequently, many top-performing tools operate as standalone software paired with a browser extension, or require manual installation. Top YouTube Playlist Downloader Options for Firefox
Downloading videos from YouTube using third-party tools violates YouTube's Terms of Service. The platform explicitly prohibits accessing content through any means other than its official video playback pages or authorized methods like YouTube Premium. While tools exist, you do so at your own risk regarding account penalties.
The terms explicitly forbid users to "access, reproduce, download, distribute, transmit, broadcast, display, sell, license, alter, modify or otherwise use any part of the Service or any Content" without explicit permission from YouTube or the content owner.
To download large batches or complete playlists, it requires the installation of a free "Companion App" on your operating system. This separate software handles the heavy lifting that standard Firefox extension permissions block.