Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1.286.996 usatores
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.
999.622 usatores
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.
124.052 usatores
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
53.110 usatores
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
133.170 usatores
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.
117.464 usatores
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!
79.755 usatores
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.
46.227 usatores
Disable JavaScript
Adds the ability to disable JavaScript for specific sites or specific tabs. You can customize the default JS state (on or off), the disable behavior (by domain or by tab) and much more.
31.418 usatores
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
22.498 usatores
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.283 usatores
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12.599 usatores
My IP Hider VPN
My IP Hider VPN is number one tool for hiding your IP and unblocking any web site! If your Firefox version is less then 55 please install older My IP Hider VPN from "Version History" (https://goo.gl/7ZQQjZ)
12.210 usatores
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9118 usatores
IPvFoo
Display the server IP address, with a realtime summary of IPv4, IPv6, and HTTPS information across all page elements.
7235 usatores
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
7100 usatores
