NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
305,165 users
Flagfox
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
116,527 users
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
36,689 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
22,340 users
Livemarks
Get auto-updated RSS feed bookmark folders.
14,391 users
Keepa.com - Amazon Price Tracker
→ Price History charts → Price Drop & Availability Alerts → Over 1 billion tracked products → Supports Amazon .com | .co.uk | .de | .co.jp | .fr | .ca | .it | .es | .in | .mx
211,838 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.
184,725 users
GNOME Shell integration
This extension provides integration with GNOME Shell and the corresponding extensions repository https://extensions.gnome.org
154,577 users
The Camelizer - Price Tracker
Add price history charts and price watch features to Firefox when viewing product pages on Amazon. Use it to make informed purchasing decisions and to receive price drop alerts via email, Twitter, or RSS feed.
67,220 users
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
45,977 users
Auto Refresh Page
Refresh web pages automatically. Auto-refresh and page monitor with specified time intervals.
27,743 users
Gmail™ Notifier (restartless)
Multiple account (or label) Gmail notifier (without storing passwords)
26,609 users
PhishWall
PhishWall
24,194 users
WEB.DE MailCheck
E-Mail Notifier für mehrere FreeMail Postfächer
22,655 users
Checker Plus for Gmail
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21,168 users
GMX MailCheck für Ihren Browser
E-Mail Notifier für mehrere FreeMail Postfächer
18,094 users
Distill Web Monitor
Monitor website changes and get SMS, email or push notifications on change.
13,849 users
Censor Tracker
Censor Tracker is an extension that allows you to bypass Internet censorship, warns you about sites that transmit your data with government agencies, and detect new acts of censorship.
8,427 users
G App Launcher (Google™ Shortcuts)
Previously known as Google™ Shortcuts.Display all Google services as buttons or as a space-saving dropdown menu next to your address bar. Reach services like Gmail, Google Drive, Maps, Calendar, and many more in a single click from your browser.
8,219 users
easyfundraising Donation Reminder
Never miss a donation for your charity or good cause again with the easyfundraising Donation Reminder.
7,077 users
Country Flag +
Shows country flag based on the server location of the active tab's url
6,506 users
Check4Change
Check4Change (aka C4C) is a simple extension that allows you to select a part of a web-page, and get notified when it changes.
5,835 users
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
5,265 users
Reload All Tabs
Reload all tabs using keyboard shortcut or toolbar button.
4,701 users
Mind the Time
Keep track of how much time you spend on the web, and where you spend it. A toolbar ticker shows the time spent at the current site or the total time spent on the web today. A summary page sums up data for the past 70 days, 10 weeks, and 6 months.
4,681 users