Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,227,272 okisanela'
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.
1,018,057 okisanela'
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.
123,415 okisanela'
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
144,361 okisanela'
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.
79,559 okisanela'
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!
65,757 okisanela'
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.
53,955 okisanela'
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.
34,266 okisanela'
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
26,421 okisanela'
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15,770 okisanela'
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)
15,214 okisanela'
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13,038 okisanela'
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
12,730 okisanela'
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
12,381 okisanela'
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10,359 okisanela'
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
9,184 okisanela'
Emoji Cheatsheet
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
8,690 okisanela'
