Dark Reader
Темний вигляд для кожного мережевого сайту. Піклуйтеся про свої очі, використовуйте темний вид для нічного та щоденного перегляду.
1 213 524 користувача
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.
980 746 користувачів
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.
212 064 користувача
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.
126 728 користувачів
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
103 996 користувачів
Flagfox
Показує прапор країни, визначаючи розміщення сервера поточного веб-сайта, а також надає такі засоби, як-от: перевірка безпеки сайта, хтоце (whois), переклад, схожі сайти, валідації, скорочення URL, тощо...
100 423 користувача
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.
86 859 користувачів
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
75 929 користувачів
Disconnect
Make the web faster, more private, and more secure.
69 596 користувачів
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
57 370 користувачів
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
36 558 користувачів
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
23 623 користувача
Port Authority
Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
10 980 користувачів
Stylebot
Change the appearance of the web instantly
9 705 користувачів
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
717 493 користувача
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.
182 766 користувачів
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
157 310 користувачів
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
137 606 користувачів
Wappalyzer
Identify technologies on websites
123 775 користувачів
Violentmonkey
Userscript support for browsers, open source.
114 329 користувачів
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.
81 542 користувача
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
80 275 користувачів
Web Developer
The Web Developer extension adds various web developer tools to the browser.
74 013 користувачів
Vue.js devtools
DevTools extension for debugging Vue.js applications.
69 442 користувача
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!
66 171 користувач