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
56,515 个用户
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
36,227 个用户
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
21,059 个用户
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
175,368 个用户
Avast Online Security & Privacy
确保您的 Mozilla Firefox 浏览器免受实时在线威胁、追踪和诈骗。
173,078 个用户
GNOME Shell integration
This extension provides integration with GNOME Shell and the corresponding extensions repository https://extensions.gnome.org
143,781 个用户
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.
60,731 个用户
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
49,338 个用户
Gmail Notifier (restartless)
支持多个标签和帐户的通知工具,适用于 Google Mail (Gmail)
27,857 个用户
PhishWall
PhishWall
24,794 个用户
WEB.DE MailCheck for Firefox
在浏览器和桌面上为您提供邮件提醒服务
21,732 个用户
Auto Refresh Page - 自动刷新页面
自动刷新网页。以指定的时间间隔自动刷新和页面监控。
21,588 个用户
Checker Plus for Gmail
显示 谷歌邮箱 收件箱中的新邮件和联系人照片;通过桌面通知获得新邮件提醒;不打开Gmail网页就能收取、阅读和删除邮件。更多功能待你发现!
19,609 个用户
GMX MailCheck for Firefox
在浏览器和桌面上为您提供邮件提醒服务
17,317 个用户
Distill Web Monitor
监控网页或源以获取变更。在侦测到变更时接收短信或电子邮件通知。
13,512 个用户
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.
7,941 个用户
easyfundraising Donation Reminder
Never miss a donation for your charity or good cause again with the easyfundraising Donation Reminder.
6,939 个用户
Country Flag +
Shows country flag based on the server location of the active tab's url
6,629 个用户
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.
6,191 个用户
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.
6,132 个用户
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
5,198 个用户
Reload All Tabs
Reload all tabs using keyboard shortcut or toolbar button.
4,684 个用户
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.
4,650 个用户