Dark Reader
Темний вигляд для кожного мережевого сайту. Піклуйтеся про свої очі, використовуйте темний вид для нічного та щоденного перегляду.
1 161 382 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.
968 030 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.
210 995 користувачів
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.
123 462 користувача
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
109 980 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...
105 269 користувачів
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.
90 021 користувач
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
78 196 користувачів
Disconnect
Make the web faster, more private, and more secure.
72 236 користувачів
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
58 704 користувача
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
29 540 користувачів
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
24 833 користувача
Stylebot
Change the appearance of the web instantly
10 039 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.
9 519 користувачів
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
715 630 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.
186 530 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
161 013 користувачів
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
143 579 користувачів
Wappalyzer
Identify technologies on websites
125 771 користувач
Violentmonkey
Userscript support for browsers, open source.
112 287 користувачів
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
82 934 користувача
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.
78 848 користувачів
Web Developer
The Web Developer extension adds various web developer tools to the browser.
78 008 користувачів
Vue.js devtools
DevTools extension for debugging Vue.js applications.
75 147 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!
65 886 користувачів