Dark Reader
Темний вигляд для кожного мережевого сайту. Піклуйтеся про свої очі, використовуйте темний вид для нічного та щоденного перегляду.
1 310 367 користувачів
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.
1 026 324 користувача
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.
210 222 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.
125 729 користувачів
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
101 124 користувача
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...
98 303 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.
87 582 користувача
Clear Cache
Global cache cleanup and site data (cookies/storage) with time periods and notifications. Great for developers. F9 shortcut included!
85 826 користувачів
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
77 268 користувачів
Disconnect
Block the trackers that feed AI-powered attacks. Disconnect stops thousands of hidden trackers across advertising, analytics, social, and fingerprinting, making pages load up to 44% faster. Trusted to help protect 350M+ users.
67 222 користувача
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
50 205 користувачів
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
28 426 користувачів
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
22 395 користувачів
Port Authority
Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
22 085 користувачів
Stylebot
Change the appearance of the web instantly
9 620 користувачів
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
779 856 користувачів
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.
180 782 користувача
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
136 975 користувачів
Violentmonkey
Userscript support for browsers, open source.
135 756 користувачів
Wappalyzer
Identify technologies on websites
116 116 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.
109 485 користувачів
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
81 798 користувачів
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!
79 084 користувача
Web Developer
The Web Developer extension adds various web developer tools to the browser.
71 895 користувачів
User-Agent Switcher
Easily override the browser's User-Agent string
62 859 користувачів