Alerts & Updates
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...
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
Automatically refresh tabs based on custom time intervals
→ Price History charts
→ Price Drop & Availability Alerts
→ Daily Drops, an overview of recent price drops
→ Huge frequently updated product database
→ Supports Amazon .com | .co.uk | .de | .co.jp | .fr | .ca | .cn | .it | .es | .in | .mx | .br
MinimizeToTray revived Requires Restart
Minimizes windows into the system tray.
block ads seamlessly on popular websites
Multiple account (or label) Gmail notifier (without storing passwords)
The easiest and simplest way to check for PlugIn-Updates. Never forget to install the newest safe versions.
Check4Change Requires Restart
Check4Change (aka C4C) is a simple extension that allows you to select a part of a web-page, and get notified when it changes.
Gmail™ Notifier Plus alerts you of new email messages. Users can also read or reply to emails, delete or mark them as read, all without having to open a new window.
Access to WhatsApp Web from within a toolbar panel and get badge notification of unread threads
This extension provides integration with GNOME Shell and the corresponding extensions repository https://extensions.gnome.org
See quick updates on all your activity while you browse the web with the official eBay app for Firefox.
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.
Get desktop notifications, read, listen or delete emails without opening Gmail or Inbox by Gmail & easily manage multiple accounts.
ReminderFox Requires Restart
ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.
Tomato Clock Compatible with Firefox 57+ Featured
Tomato Clock is a simple browser extension for managing your productivity.
Automatically suspend (hibernate) inactive tabs to free up system resources
MyKey Interface Requires Restart
Interface between Firefox and MyKey.