Flagfox
Mostra a bandeira do país de localização do servidor da página atual e provê várias ferramentas, como verificação de páginas seguras, whois, tradução, páginas similares, validação, redução de URL e mais...
119.917 usuários
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
58.194 usuários
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
36.769 usuários
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
21.353 usuários
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
205.381 usuários
Avast Online Security & Privacy
Proteja o seu Mozilla Firefox contra ameaças online, rastreadores e golpes em tempo real.
181.148 usuários
Integração com GNOME Shell
Essa extensão fornece integração com o GNOME Shell e com o repositório de extensões correspondente, o https://extensions.gnome.org
153.543 usuários
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.
67.438 usuários
Gmail™ Notifier (restartless)
Multiple account (or label) Gmail notifier (without storing passwords)
27.697 usuários
Auto Refresh Page - Atualizar auto páginas
Atualize as páginas da web automaticamente. Atualização automática e monitor de página com intervalos de tempo especificados.
24.209 usuários
Checker Plus for Gmail
Receber notificações via desktop, ler, ouvir, arquivar ou excluir emails sem precisar abrir uma aba do Gmail & facilmente gerenciar múltiplas contas.
20.947 usuários
Distill Web Monitor
Monitore páginas da web ou feeds para identificar alterações. Receba alertas via SMS e e-mail quando alterações forem detectadas.
13.827 usuários
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.
8.123 usuários
easyfundraising Donation Reminder
Never miss a donation for your charity or good cause again with the easyfundraising Donation Reminder.
7.439 usuários
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.
6.727 usuários
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.
6.082 usuários
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
5.231 usuários
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.
4.690 usuários
