Dark Reader
Tema escuro para todos os sites. Cuide dos seus olhos, use o Dark Reader para navegação noturna e diária.
1 290 812 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.
1 019 043 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.
214 936 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.
135 198 utilizadores
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
104 802 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...
102 174 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.
89 003 utilizadores
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
77 362 utilizadores
Disconnect
Make the web faster, more private, and more secure.
71 532 utilizadores
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
58 019 utilizadores
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
33 528 utilizadores
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
24 057 utilizadores
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
21 233 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.
16 821 utilizadores
Stylebot
Change the appearance of the web instantly
9903 utilizadores
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
789 021 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.
183 147 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
163 739 utilizadores
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
141 951 utilizadores
Wappalyzer
Identify technologies on websites
125 291 utilizadores
Violentmonkey
Userscript support for browsers, open source.
125 145 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.
90 327 utilizadores
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
85 214 utilizadores
Web Developer
The Web Developer extension adds various web developer tools to the browser.
75 913 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!
72 454 utilizadores