Dark Reader
Tryb ciemny dla wszystkich stron internetowych. Zadbaj o swoje oczy, używaj ciemnego motywu przeglądając w dzień i w nocy.
1 274 665 użytkowników
Ghostery – Bloker reklam chroniący prywatność
Ghostery to potężne rozszerzenie do ochrony prywatności.Blokuje reklamy, wstrzymuje tropiciele i przyspiesza działanie stron internetowych.
1 003 372 użytkowników
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
56 639 użytkowników
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
36 042 użytkowników
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
748 582 użytkowników
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
138 516 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.
89 178 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!
71 963 użytkowników
User-Agent Switcher
Easily override the browser's User-Agent string
62 331 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.
49 214 użytkowników
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
34 402 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.
33 078 użytkowników
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
23 934 użytkowników
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15 375 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)
13 867 użytkowników
RESTED
A REST client for the rest of us
13 391 użytkowników
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13 135 użytkowników
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
10 993 użytkowników
Empty Cache Button
Cache clearing made easy. One click.
10 622 użytkowników
Save Screenshot
Saves the current page as image file or copies it to clipboard.
9814 użytkowników
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9603 użytkowników
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.
7730 użytkowników
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
7253 użytkowników
ScriptCat
Everything can be scripted, allowing your browser to do more!
7102 użytkowników