Ensure the URL contains the string &list= . This tells the plugin to look at the entire collection rather than just a single video.
yt-dlp is the gold standard for YouTube downloading. It's what most extensions use under the hood anyway. When extensions break, the command-line version is often the first to be fixed.
If you want a single extension that does it all, Simple Video Downloader is your best bet. This isn't just a YouTube downloader—it supports Reddit, X (Twitter), SoundCloud, TED, and many other sites, making it a versatile tool for content archiving. youtube playlist downloader firefox plugin
: GrabIt! operates by sending a request to a web service that runs yt-dlp in the background. You'll need to run this web service on your local machine or server, which adds technical complexity but gives you complete control and reliability.
Beyond the terms of service, copyright law adds another layer. Most YouTube videos are protected by copyright, and downloading them without authorization could constitute copyright infringement, regardless of your intent to use them only for personal offline viewing. Ensure the URL contains the string &list=
If you want to explore specific options further, let me know:
: Usually requires the "Pro" version to unlock full playlist/high-definition (1080p+) features. 4. YouTube Video and Audio Downloader (by Dev_Saurav) It's what most extensions use under the hood anyway
: The extension requires the native dependencies YT-DLP, FFmpeg, and Deno, which will use about 400MB of space on your C: drive. It also requires Firefox 112.0 or newer.
Before listing any tools, it is important to understand the risks. There is currently no Firefox extension that is fully capable of downloading a complete YouTube playlist and recommended for regular use regarding safety and stability.
: Extensions like YouTube Video Downloader allow you to download whole playlists, shorts, or multiple selected videos at once.
Look for options to toggle between video (MP4, MKV) and audio-only (MP3, M4A) formats.
“This tool is great. The free version is enough for 90% of my client sites, more user-friendly than GA and no problems with GDPR.”