Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1.152.436 uporabnikov
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.
952.741 uporabnikov
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.
125.088 uporabnikov
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
59.524 uporabnikov
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
712.849 uporabnikov
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
143.179 uporabnikov
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.
78.606 uporabnikov
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!
65.841 uporabnikov
User-Agent Switcher
Easily override the browser's User-Agent string
62.140 uporabnikov
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.
52.072 uporabnikov
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
35.835 uporabnikov
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.
33.444 uporabnikov
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
25.614 uporabnikov
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16.017 uporabnikov
RESTED
A REST client for the rest of us
14.033 uporabnikov
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)
13.465 uporabnikov
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
13.273 uporabnikov
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12.634 uporabnikov
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
12.279 uporabnikov
Empty Cache Button
Cache clearing made easy. One click.
11.251 uporabnikov
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10.228 uporabnikov
Save Screenshot
Saves the current page as image file or copies it to clipboard.
9.036 uporabnikov
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
8.739 uporabnikov
ScriptCat
脚本猫,一个可以执行用户脚本的浏览器扩展,万物皆可脚本化,让你的浏览器可以做更多的事情!
8.567 uporabnikov
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.
8.319 uporabnikov