Why are video downloader add-ons so popular?

Masayuki Nakano masayuki at d-toybox.com
Tue Jun 9 16:04:55 UTC 2015

FYI: One of the most popular video download add-ons, Video 
DownloadHelper,  causes serious performance issue. I see some users who 
believe the performance issue is Firefox's trying to switch to Google 

So, if we could include popular feature, it would be good thing for 
avoiding bad UX caused by add-on compatibility.

> [1] https://addons.mozilla.org/en-US/firefox/extensions/?sort=popular
> [2] https://www.youtube.com/static?template=terms
> Video DownloadHelper
> Flash Video Downloader - YouTube HD Download [4K]
> Download YouTube Videos as MP4
> Ant Video Downloader
> DownThemAll!
> 1-Click YouTube Video Download
> YouTube Video and Audio Downloader
> Download Flash and Video
> Easy Youtube Video Downloader Express
> YouTube Video Downloader For Context Menu
> FlashGot Mass Downloader
> YouTube mp3
> Video Downloader professional
> Youtube Downloader 4K - Video Downloader
> NetVideoHunter

Masayuki Nakano <masayuki at d-toybox.com>
Manager, Internationalization, Mozilla Japan.

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