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.
307,502 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...
118,346 users
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
37,194 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
22,555 users
Livemarks
Get auto-updated RSS feed bookmark folders.
14,595 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
211,848 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.
188,525 users
GNOME Shell integration
This extension provides integration with GNOME Shell and the corresponding extensions repository https://extensions.gnome.org
155,995 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.
68,350 users
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
47,347 users
Auto Refresh Page
Refresh web pages automatically. Auto-refresh and page monitor with specified time intervals.
27,532 users
Gmail™ Notifier (restartless)
Multiple account (or label) Gmail notifier (without storing passwords)
27,049 users
PhishWall
PhishWall
24,027 users
WEB.DE MailCheck
E-Mail Notifier für mehrere FreeMail Postfächer
22,691 users
Checker Plus for Gmail
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21,264 users
GMX MailCheck für Ihren Browser
E-Mail Notifier für mehrere FreeMail Postfächer
18,148 users
Distill Web Monitor
Monitor website changes and get SMS, email or push notifications on change.
14,024 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.
8,311 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.
8,007 users
easyfundraising Donation Reminder
Never miss a donation for your charity or good cause again with the easyfundraising Donation Reminder.
7,440 users
Country Flag +
Shows country flag based on the server location of the active tab's url
6,572 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.
5,939 users
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
5,322 users
Reload All Tabs
Reload all tabs using keyboard shortcut or toolbar button.
4,816 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.
4,729 users