Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1.300.039 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.
1.028.790 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.
136.320 χρήστες
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
59.346 χρήστες
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
26.802 χρήστες
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
778.338 χρήστες
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
145.136 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.
91.038 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!
73.390 χρήστες
User-Agent Switcher
Easily override the browser's User-Agent string
64.435 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.
51.145 χρήστες
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
36.332 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.
34.374 χρήστες
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
24.930 χρήστες
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16.269 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)
14.294 χρήστες
RESTED
A REST client for the rest of us
14.148 χρήστες
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13.564 χρήστες
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
11.818 χρήστες
Empty Cache Button
Cache clearing made easy. One click.
11.211 χρήστες
Save Screenshot
Saves the current page as image file or copies it to clipboard.
10.016 χρήστες
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10.000 χρήστες
ScriptCat
Everything can be scripted, allowing your browser to do more!
8.165 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.
8.094 χρήστες
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
7.561 χρήστες