Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1.221.669 χρήστες
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.
980.575 χρήστες
Stylus
Επαναπροσδιορίση του διαδίκτυου με το Stylus, έναν διαχειριστή στυλ. Το Stylus σας επιτρέπει να εγκαταστήσετε εύκολα themes και skins για πολλές δημοφιλείς ιστοσελίδες.
127.894 χρήστες
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
56.304 χρήστες
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
722.148 χρήστες
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
136.408 χρήστες
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.
83.426 χρήστες
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!
66.619 χρήστες
User-Agent Switcher
Easily override the browser's User-Agent string
62.248 χρήστες
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.
50.240 χρήστες
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
34.200 χρήστες
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.
32.652 χρήστες
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
25.821 χρήστες
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.172 χρήστες
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)
14.563 χρήστες
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
14.284 χρήστες
RESTED
A REST client for the rest of us
13.125 χρήστες
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12.474 χρήστες
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
11.594 χρήστες
Empty Cache Button
Cache clearing made easy. One click.
10.575 χρήστες
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10.202 χρήστες
Save Screenshot
Saves the current page as image file or copies it to clipboard.
9.496 χρήστες
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.
7.924 χρήστες
ScriptCat
Everything can be scripted, allowing your browser to do more!
7.610 χρήστες
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
7.206 χρήστες