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...
138 785 users
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
46 454 users
Popup Blocker (strict)
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
44 060 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
21 913 users
Avast Online Security
Avast Browser Security and Web Reputation Plugin. Offering protection against known phishing and malware sites, improving your browsing overall browsing experience with crowd sourced web reputation rating.
686 539 users
GNOME Shell integration
This extension provides integration with GNOME Shell and the corresponding extensions repository https://extensions.gnome.org
166 050 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
147 408 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.
56 954 users
Poper Blocker - Popup blocker for FireFox
#1 Firefox add-on to block annoying popups, popunders & overlays in an easy & effective way. Browse without interference on all sites.
40 717 users
Gmail™ Notifier (restartless)
Multiple account (or label) Gmail notifier (without storing passwords)
38 875 users
Checker Plus for Gmail™
Get desktop notifications, read, listen or delete emails without opening Gmail or Inbox by Gmail & easily manage multiple accounts.
17 694 users
Distill Web Monitor
Monitor website changes and get SMS, email or push notifications on change.
17 142 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.
8 876 users
easyfundraising Donation Reminder
Never miss a donation for your charity or good cause again with the easyfundraising Donation Reminder
8 867 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.
8 618 users
PriceBlink - Price Comp & Coupons
**As seen on the Today Show, USA Today, ABC News** Automatically finds lower prices and money-saving coupons from thousands of retailers while you shop. PriceBlink stays hidden until you are shopping. US and UK. Demo: youtu.be/UKxMx5bT-QM
6 371 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.
5 900 users
Ban Checker for Steam
Automatically check bans of people you recently played with, your friends, and group members. This add-on is for Steam users, after installing it head over to your recently played page or your friends page. http://steamcommunity.com/my/friends/coplay
5 378 users
