: An open-source command-line tool for power users. It is completely free and updated almost daily to bypass new restrictions. You can integrate it into Firefox using the "Open With" extension to send links directly from your browser to the downloader. Comparison Table: Firefox Downloader Tools (2026) Max Quality Unique Edge UDL Helper All-in-one usage Screenshots & Shorts support Easy YouTube Downloader Quick downloads Native UI integration Video DownloadHelper Many sites Detects HLS/DASH streams 4K Downloader Plus Bulk "paste-and-forget" Safety Tip: Always check the latest user reviews on the Mozilla Add-ons Store
You might be tempted to use online “YouTube to MP3” websites. Here is why that is a terrible idea for playlists: youtube playlist downloader firefox plugin
Detects streams; often requires a "Companion App" for YouTube. YouTube Multi Download Redirects to a download page for entire playlists. Third-Party Sites Detailed Plugin Report 1. Simple Video Downloader : An open-source command-line tool for power users
: Known for being lightweight. It adds a direct "Download" button to the YouTube interface, though batch playlist downloading is often reserved for the Pro version. Third-Party Sites Detailed Plugin Report 1
Keeping your favorite YouTube content accessible offline isn't just about avoiding buffering—it’s about building a curated library that’s yours to keep. While many extensions handle single videos, downloading an entire playlist requires a bit more "oomph."