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.
309 099 utilizadores
Flagfox
Mostra uma bandeira do país dependendo da localização do servidor do sítio web actual e forenece várias ferramentas como verificação de segurança dos sítios, whois, tradução, sítios similares, validação, encolhimento do URL, e muito mais...
118 799 utilizadores
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
37 453 utilizadores
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
22 666 utilizadores
Livemarks
Get auto-updated RSS feed bookmark folders.
14 667 utilizadores
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
213 722 utilizadores
Avast Online Security & Privacy
Proteja o seu browser Mozilla Firefox contra ameaças online em tempo real, rastreadores e esquemas.
189 225 utilizadores
GNOME Shell integration
This extension provides integration with GNOME Shell and the corresponding extensions repository https://extensions.gnome.org
156 466 utilizadores
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.
68 561 utilizadores
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
47 720 utilizadores
Auto Refresh Page - Atualizar auto páginas
Atualize as páginas da web automaticamente. Atualização automática e monitor de página com intervalos de tempo especificados.
27 318 utilizadores
Gmail™ Notifier (restartless)
Multiple account (or label) Gmail notifier (without storing passwords)
27 207 utilizadores
PhishWall
PhishWall
24 319 utilizadores
WEB.DE MailCheck
E-Mail Notifier für mehrere FreeMail Postfächer
22 958 utilizadores
Checker Plus for Gmail
Visualizar novos e-mails, receber notificações via desktop ou ler ou excluir e-mails sem necessidade de abri-los entre
21 419 utilizadores
GMX MailCheck für Ihren Browser
E-Mail Notifier für mehrere FreeMail Postfächer
18 432 utilizadores
Distill Web Monitor
Monitor website changes and get SMS, email or push notifications on change.
14 059 utilizadores
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.
8342 utilizadores
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.
7894 utilizadores
easyfundraising Donation Reminder
Never miss a donation for your charity or good cause again with the easyfundraising Donation Reminder.
7433 utilizadores
Country Flag +
Shows country flag based on the server location of the active tab's url
6618 utilizadores
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.
6007 utilizadores
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
5355 utilizadores
Reload All Tabs
Reload all tabs using keyboard shortcut or toolbar button.
4853 utilizadores
Prolific Assistant
Monitors https://prolific.com/ for new studies.
4734 utilizadores