manual guide how to do something: How to download Youtube video in MP3 format
YouTube MP3/MP4 Converter & Download – Get this Extension for 🦊 Firefox (en-US)
Télécharger une vidéo YouTube en MP4 - Firefox
What YouTube Downloader is Right for You? | Mozilla Add-ons Blog
Firefox YouTube Downloader - Download YouTube Videos in Firefox to MP3 & MP4
Top 3 Firefox Add-ons To Download YouTube Videos
How To: Adding Download Button for YouTube, for Mozilla Firefox. « browsersaddon
Extensions to Download YouTube Videos for Chrome/Safari
Best Video Downloaders for Firefox – Linux Hint
Best YouTube Downloader Firefox Browser Addon or Plugin
Firefox Extension Mp3 Youtube Downloader - xonew
YouTube Video Download - YouTube HD Download – Get this Extension for 🦊 Firefox (en-US)
YouTube Video and Audio Downloader extension - Opera add-ons
Simple YouTube to MP3/MP4 Converter and Downloader – Get this Extension for 🦊 Firefox (en-US)
How To: Adding Download Button for YouTube, for Mozilla Firefox. « browsersaddon
How to Download Youtube videos With Firefox in Any Format | Free Tips and Tricks
How to install bytubed Extension in Firefox - YouTube
Is it possible to get the videos I have played from Firefox (e.g. maybe I can save them in a temporary folder)? If so, how? - Quora
Free YouTube Downloader - Download YouTube Videos In High Quality
Best 4 Firefox Addons/Extensions for YouTube Download
Best Video Downloaders for Firefox – Linux Hint
YouTube Video Download - YouTube HD Download – Get this Extension for 🦊 Firefox (en-US)
Best Video Downloaders for Firefox – Linux Hint
Easy Youtube Video Downloader Express – Get this Extension for 🦊 Firefox (en-GB)
Easy Youtube Video Downloader Express – Get this Extension for 🦊 Firefox (mn)
