Dark Reader
Tema escuro para todos os sites. Mantenha seus olhos relaxados usando o tema escuro em sua navegação diária.
1.157.254 usuários
Ghostery – Bloqueador de anúncios para privacidade
O Ghostery é uma poderosa extensão de privacidade.Bloqueie anúncios, interrompa rastreadores e acelere sites.
1.030.201 usuários
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
202.750 usuários
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...
114.050 usuários
Stylus
Mude o estilo da web com o Stylus, um gerenciador de estilos do usuário. O Stylus permite instalar facilmente temas e skins para Google, Facebook, YouTube, Orkut e muitos, muitos outros sites.
109.730 usuários
Disconnect
Make the web faster, more private, and more secure.
94.917 usuários
User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
93.081 usuários
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
88.218 usuários
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
76.820 usuários
Clear Cache
Clear Cache foi desenvolvido para tornar mais fácil o desenvolvimento Web, limpando a cache do browser (RAM e DISK) apertando um botão ou através da tecla F9.
62.172 usuários
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
26.360 usuários
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
18.643 usuários
Stylebot
Change the appearance of the web instantly
12.405 usuários
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
673.103 usuários
React Developer Tools
React Developer Tools is a tool that allows you to inspect a React tree, including the component hierarchy, props, state, and more. To get started, just open the Firefox devtools and switch to the "⚛️ Components" or "⚛️ Profiler" tab.
184.720 usuários
FireShot: Full Web Page Screenshots (♥♥♥♥♥)
FireShot makes full page screen captures - http://bit.ly/RlBQMV Screenshots are quickly captured and: ― Saved as Image / PDF with links and text ― Sent to clipboard ― Printed Capture all open tabs or provide a list of the URLs for grabbing
160.316 usuários
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
146.372 usuários
Wappalyzer
Identify technologies on websites
119.236 usuários
Web Developer
The Web Developer extension adds various web developer tools to the browser.
88.948 usuários
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
86.590 usuários
Vue.js devtools
DevTools extension for debugging Vue.js applications.
84.437 usuários
Violentmonkey
Userscript support for browsers, open source.
82.114 usuários
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
62.442 usuários
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
61.840 usuários
User-Agent Switcher
Easily override the browser's User-Agent string
60.871 usuários