To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!Close
Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Most Popular Extensions
Password Exporter No Restart
This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!
Self-Destructing Cookies No Restart Featured
Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.
FVD Speed Dial - Speed dial button, Online Synchronization, New Tab Start Page, Organize bookmarks, Custom backgrounds, custom dials, organized groups, most visited dials.
Adds zoom and rotation functionality for images...
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.
Use the Belgian electronic identity card (eID) in Firefox
Helps you to save Web pages and organize the collection.
Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)
View HTTP headers of a page and while browsing.
AdBlock for YouTube™ No Restart
AdBlock for YouTube™ removes all annoying Ads from YouTube
Official Amazon Add-on. Add anything from any website to your Amazon Wish List.
(**NEW** now functions for all Amazon retail sites (amazon.com, amazon.co.uk, amazon.de, amazon.it, amazon.fr, amazon.co.jp. amazon.cn, and amazon.ca.)
Download from YouTube 4K videos and thousands other video websites.
Tab Scope Featured
Preview and navigate tab contents through popup.
Allows URI texts written in webpages to be loaded by double clicks.
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
Manage popular downloaders (Windows, Linux, Mac) and support special links of thunder,flashget,qqdl,ed2k,magnet,fs2you.
DuckDuckGo Plus No Restart Featured
DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension makes DuckDuckGo available in the address bar, search bar and right-click menu. Also adds a handy toolbar button with more features!