#Firefox Extension Websites On Xranks
Explore the best firefox extension websites in the world based on ranking, traffic and engagement such as adblockplus, zotero or downloadhelper.
Adblock Plus, the most popular ad blocker on Firefox, Chrome, Safari, Android and iOS. Block pop-ups and annoying ads on websites like Facebook and YouTube.
Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
DownloadHelper: the easy way to Web videos. Download tons of videos from most of YouTube like sites.