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!
1 499 682 utilizadores
Dark Reader
Tema escuro para todos os sites. Cuide dos seus olhos, use o Dark Reader para navegação noturna e diária.
1 292 393 utilizadores
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
914 554 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.
157 890 utilizadores
EPUBReader
Com o EPUBReader pode ler ficheiros ePub files usando o Firefox. Não é necessário qualquer programa adicional!
129 355 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.
113 367 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.
91 847 utilizadores
Simple Tab Groups
Create, modify, and quickly change tab groups
83 606 utilizadores
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
77 338 utilizadores
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
57 863 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!)
44 206 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!!!.
38 133 utilizadores
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
32 280 utilizadores
Foxy Gestures
Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.
19 335 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.
16 499 utilizadores
Default Bookmark Folder
Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.
12 152 utilizadores
Swift Selection Search
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
10 807 utilizadores
Simple Gesture for Android
Adds touch gestures for Android. (P.S. "Quick Gestures" is great addon. I hope it be updated.)
1510 utilizadores
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
788 207 utilizadores
Cisco Webex Extension
Join Webex meetings using Firefox ™
660 633 utilizadores
MetaMask – Crypto Wallet
The most secure wallet for crypto, NFTs, and DeFi, trusted by millions of users
381 567 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.
372 514 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!
279 534 utilizadores
I don't care about cookies
Get rid of cookie warnings from almost all websites!
273 568 utilizadores
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
171 985 utilizadores