Dark Reader
Tryb ciemny dla wszystkich stron internetowych. Zadbaj o swoje oczy, używaj ciemnego motywu przeglądając w dzień i w nocy.
1 298 636 użytkowników
Ghostery – Bloker reklam chroniący prywatność
Ghostery to potężne rozszerzenie do ochrony prywatności.Blokuje reklamy, wstrzymuje tropiciele i przyspiesza działanie stron internetowych.
1 025 685 użytkowników
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
59 589 użytkowników
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
34 217 użytkowników
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
761 790 użytkowników
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
145 771 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.
91 194 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!
73 416 użytkowników
User-Agent Switcher
Easily override the browser's User-Agent string
64 067 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.
50 959 użytkowników
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
36 393 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.
34 265 użytkowników
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
24 551 użytkowników
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16 350 użytkowników
RESTED
A REST client for the rest of us
14 241 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)
14 131 użytkowników
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13 593 użytkowników
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
11 635 użytkowników
Empty Cache Button
Cache clearing made easy. One click.
11 276 użytkowników
Save Screenshot
Saves the current page as image file or copies it to clipboard.
10 085 użytkowników
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9981 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.
8024 użytkowników
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
7523 użytkowników
Form History Control
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller. Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
7352 użytkowników