Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1.161.382 korisnika
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.
968.030 korisnika
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.
123.462 korisnika
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
58.704 korisnika
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
715.630 korisnika
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
143.579 korisnika
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.
78.848 korisnika
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!
65.886 korisnika
User-Agent Switcher
Easily override the browser's User-Agent string
61.460 korisnika
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.
53.037 korisnika
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
35.697 korisnika
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.
33.775 korisnika
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
26.308 korisnika
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.887 korisnika
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)
14.155 korisnika
RESTED
A REST client for the rest of us
13.899 korisnika
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12.816 korisnika
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
12.640 korisnika
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
12.309 korisnika
Empty Cache Button
Cache clearing made easy. One click.
11.096 korisnika
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10.264 korisnika
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!
9.990 korisnika
Save Screenshot
Saves the current page as image file or copies it to clipboard.
8.941 korisnik
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.
8.519 korisnika
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
7.912 korisnika