Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1 316 619 brukere
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.
1 029 269 brukere
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.
210 118 brukere
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
100 551 brukere
Clear Cache
Global cache cleanup and site data (cookies/storage) with time periods and notifications. Great for developers. F9 shortcut included!
88 593 brukere
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.
88 066 brukere
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
76 142 brukere
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.
67 591 brukere
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
50 405 brukere
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
28 901 brukere
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
22 629 brukere
Port Authority
Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
21 387 brukere
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.
182 847 brukere
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
138 519 brukere
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.
108 543 brukere
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
82 229 brukere
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!
78 861 brukere
Web Developer
The Web Developer extension adds various web developer tools to the browser.
72 742 brukere
