5 Best Firefox YouTube Video Downloaders [Firefox Add-ons]
Flash Video Downloader is probably the second most famous Video downloader add-on on the Firefox add-on repository. The add-on has around 600,000 users with an average rating of 4.1 which is no joke! According to Paul Saint, the developer behind this awesome add-on, it can download YouTube videos even in 4K resolution which is pretty amazing.
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