Dark Reader
Tryb ciemny dla wszystkich stron internetowych. Zadbaj o swoje oczy, używaj ciemnego motywu przeglądając w dzień i w nocy.
1 269 170 użytkowników
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
52 570 użytkowników
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
753 390 użytkowników
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
127 940 użytkowników
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.
123 692 użytkowników
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!
77 480 użytkowników
User-Agent Switcher
Easily override the browser's User-Agent string
60 322 użytkowników
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.
45 027 użytkowników
Bato Image Auto-Fixer
Detect broken bato.to images and automatically fix them.
35 588 użytkowników
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
32 790 użytkowników
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.
30 683 użytkowników
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
21 371 użytkowników
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
14 646 użytkowników
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12 261 użytkowników
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)
11 901 użytkowników
RESTED
A REST client for the rest of us
11 644 użytkowników
Save Screenshot
Saves the current page as image file or copies it to clipboard.
10 606 użytkowników
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
9624 użytkowników
Empty Cache Button
Cache clearing made easy. One click.
9499 użytkowników
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
8894 użytkowników
ScriptCat
Everything can be scripted, allowing your browser to do more!
8752 użytkowników
Netmirror Extension
Add, modify or remove a header for any request.
8743 użytkowników
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
7462 użytkowników
IPvFoo
Display the server IP address, with a realtime summary of IPv4, IPv6, and HTTPS information across all page elements.
7150 użytkowników