1Password: Password Manager
The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.
332,938 users
I don't care about cookies
Get rid of cookie warnings from almost all websites!
321,321 users
Ecosia — The search engine that plants trees 🌱
This extension adds Ecosia.org as the default search engine to your browser — it’s completely free!
316,538 users
Zoom Extension
Recommended, support FireFox 45+. The Zoom Firefox Extension allows participants to schedule Zoom cloud meetings directly from Google Calendar. you can start an instant meeting or schedule a future meeting via a button.
258,584 users
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
194,462 users
Avast Online Security & Privacy
Secure your Mozilla Firefox browser against real-time online threats, trackers, and scams. We’ll check every site you visit, from Facebook to your bank, so nothing puts you or your data at risk. Join a growing community of 400 million Avast users.
183,037 users
Pinterest Save Button
Save your favorite ideas online so you can easily get back to them later.
176,953 users
Hoxx VPN Proxy
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
165,826 users
Maps Assist & Custom Web Search
Install the Maps Assist & Custom Web Search extension to get directions by clicking the favicon on the toolbar & enjoy Yahoo® search from your browser.
164,904 users
Belgium eID
Use the Belgian electronic identity card (eID) in Firefox
157,789 users
GNOME Shell integration
This extension provides integration with GNOME Shell and the corresponding extensions repository https://extensions.gnome.org
156,544 users
iCloud Bookmarks
Keep your Firefox bookmarks on Windows up to date with your Safari bookmarks on iPhone, iPad, and Mac with the iCloud Bookmarks extension for Firefox.
153,402 users
Logitech Smooth Scrolling
Logitech® Smooth Scrolling extension delivers smooth-as-smartphone scrolling in Firefox and works with most Logitech mice and touchpads — new and old. Requires Logitech SetPoint 6.60 and above and Windows 7 and above. Gaming mice not supported.
123,971 users
Qwant VIPrivacy
Qwant VIPrivacy sets Qwant.com as your default search engine, blocks trackers for you to protect your personal data while you browse.
116,438 users
Urban Free VPN proxy Unblocker - Best VPN
Stay anonymous & secure with VPN - surf through 80 locations with Urban VPN for Firefox
114,216 users
Mendeley Web Importer
Fast, convenient import of references and PDFs to your Mendeley Reference Manager library
108,918 users
Ant Video Downloader
Browser extension with a companion application for downloading and merging streaming video segments.
96,020 users
Web Developer
The Web Developer extension adds various web developer tools to the browser.
91,758 users
Absolute Enable Right Click & Copy
Force Enable Right Click & Copy
89,814 users
Free Download Manager official extension
Free Download Manager integration with your Firefox browser
89,180 users
Evernote Web Clipper
Use the Evernote Web Clipper to save things you see on the web into your Evernote account.
88,324 users
РуТрекер - официальный плагин от RuTracker.org
Доступ на RuTracker.org. Поиск по трекеру в контекстном меню. Комфортная работа с зеркалами. Использование любого адреса с переадресацией на него всех ссылок. Прокси и пр.
87,754 users
Package Tracking Tab & Custom Web Search
Add the Package Tracking Tab & Custom Web Search extension to track packages online by clicking the favicon on the toolbar & enjoy access to Yahoo® search from your browser.
86,839 users
Converter Suite & Custom Web Search
Add the Converter Suite & Custom Web Search extension to convert files by clicking the favicon on the toolbar & access Yahoo® search from your browser.
83,803 users
Violentmonkey
Userscript support for browsers, open source.
82,920 users