Dark Reader
Tema escuro para todos os sites. Cuide dos seus olhos, use o Dark Reader para navegação noturna e diária.
1 274 665 utilizadores
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
1 003 372 utilizadores
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.
204 536 utilizadores
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
132 655 utilizadores
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
102 222 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...
100 541 utilizadores
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.
86 120 utilizadores
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
75 033 utilizadores
Disconnect
Make the web faster, more private, and more secure.
70 394 utilizadores
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
56 639 utilizadores
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
36 042 utilizadores
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
32 497 utilizadores
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
23 234 utilizadores
Port Authority
Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
17 505 utilizadores
Stylebot
Change the appearance of the web instantly
9610 utilizadores
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
748 582 utilizadores
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.
176 373 utilizadores
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
158 633 utilizadores
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
138 516 utilizadores
Violentmonkey
Userscript support for browsers, open source.
121 410 utilizadores
Wappalyzer
Identify technologies on websites
118 882 utilizadores
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.
89 178 utilizadores
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
83 476 utilizadores
Web Developer
The Web Developer extension adds various web developer tools to the browser.
73 493 utilizadores
Ruffle - Flash Emulator
Putting Flash back on the web. Designed to be easy to use, this extension will seamlessly enable you to play flash content, with no extra configuration required!
71 963 utilizadores