Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1.039.456 wužiwarjow
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.
865.025 wužiwarjow
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.
119.875 wužiwarjow
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
58.039 wužiwarjow
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
688.959 wužiwarjow
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
139.836 wužiwarjow
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.
73.296 wužiwarjow
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!
64.144 wužiwarjow
User-Agent Switcher
Easily override the browser's User-Agent string
58.913 wužiwarjow
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.
50.784 wužiwarjow
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
34.890 wužiwarjow
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.
32.399 wužiwarjow
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
24.366 wužiwarjow
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.547 wužiwarjow
RESTED
A REST client for the rest of us
13.584 wužiwarjow
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
12.546 wužiwarjow
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12.176 wužiwarjow
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
11.918 wužiwarjow
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)
11.365 wužiwarjow
Empty Cache Button
Cache clearing made easy. One click.
10.908 wužiwarjow
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9.890 wužiwarjow
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!
9.401 wužiwar
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.
8.219 wužiwarjow
Save Screenshot
Saves the current page as image file or copies it to clipboard.
7.890 wužiwarjow
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
7.271 wužiwarjow