AdGuard AdBlocker
Adguard Ad Blocker bloqueia com eficiência todos os tipos de anúncios em todas as páginas da web, até mesmo no Facebook, Youtube, e outros!
1 229 746 utilizadores
Dark Reader
Tema escuro para todos os sites. Cuide dos seus olhos, use o Dark Reader para navegação noturna e diária.
1 117 882 utilizadores
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
884 539 utilizadores
EPUBReader
Com o EPUBReader pode ler ficheiros ePub files usando o Firefox. Não é necessário qualquer programa adicional!
130 326 utilizadores
YouTube High Definition
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
125 605 utilizadores
LeechBlock NG
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
99 641 utilizadores
Gesturefy
Explore, opere e navegue mais rápido com gestos do rato! Um extra para gestos do rato, personalizável e com uma variedade de diferentes comandos.
92 993 utilizadores
Simple Tab Groups
Create, modify, and quickly change tab groups
91 137 utilizadores
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
77 896 utilizadores
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
58 805 utilizadores
SoundFixer
Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)
44 344 utilizadores
Dictionary Anywhere
View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.
39 689 utilizadores
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
29 788 utilizadores
Foxy Gestures
Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.
19 800 utilizadores
Link Gopher
Extracts all links from web page, sorts them, removes duplicates, and displays them in a new tab for inspection or copy and paste into other systems.
16 503 utilizadores
Default Bookmark Folder
Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.
12 439 utilizadores
Swift Selection Search
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
11 160 utilizadores
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
709 561 utilizadores
Cisco Webex Extension
Join Webex meetings using Firefox ™
708 916 utilizadores
Grammarly: AI Writing and Grammar Checker App
Improve your writing with Grammarly's AI assistance. Get spell check, grammar check, generative AI, and more in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.
686 738 utilizadores
MetaMask – Crypto Wallet
The most secure wallet for crypto, NFTs, and DeFi, trusted by millions of users
403 896 utilizadores
1Password: Password Manager
The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.
369 015 utilizadores
Ecosia — The search engine that plants trees 🌱
This extension adds Ecosia.org as the default search engine to your browser — it’s completely free!
285 708 utilizadores
I don't care about cookies
Get rid of cookie warnings from almost all websites!
273 623 utilizadores
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
175 352 utilizadores