Dark Reader
Темний вигляд для кожного мережевого сайту. Піклуйтеся про свої очі, використовуйте темний вид для нічного та щоденного перегляду.
1 165 237 користувачів
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1 049 093 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.
209 818 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...
116 844 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.
111 285 користувачів
Disconnect
Make the web faster, more private, and more secure.
96 764 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.
95 037 користувачів
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
88 686 користувачів
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
78 677 користувачів
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
63 893 користувача
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
27 304 користувача
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
18 844 користувача
Stylebot
Change the appearance of the web instantly
9 505 користувачів
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
698 342 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.
188 459 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
165 380 користувачів
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
149 971 користувач
Wappalyzer
Identify technologies on websites
122 614 користувачів
Web Developer
The Web Developer extension adds various web developer tools to the browser.
92 279 користувачів
Vue.js devtools
DevTools extension for debugging Vue.js applications.
89 065 користувачів
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
87 442 користувача
Violentmonkey
Userscript support for browsers, open source.
84 007 користувачів
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
64 368 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.
61 899 користувачів
User-Agent Switcher
Easily override the browser's User-Agent string
61 446 користувачів