Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1.313.087 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.
132.922 usatores
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
56.399 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.
130.264 usatores
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
129.867 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!
82.250 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.
45.525 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.
31.219 usatores
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
21.759 usatores
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
14.931 usatores
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12.267 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)
11.824 usatores
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
8991 usatores
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
8339 usatores
Zoom for Firefox
Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons.
7304 usatores
