Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
124 282 utilizadores
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
476 794 utilizadores
YouTube NonStop
Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music!
137 137 utilizadores
OneTab
Demasiados separadores? Converta os seus separadores numa lista e acelere o Firefox OneTab está agora disponível em Português!
166 279 utilizadores
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
80 272 utilizadores
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!
1 384 756 utilizadores
Corretor Gramatical e Ortográfico - LanguageTool
Com esta extensão podes verificar texto com o verificador livre de estilo e de gramática LanguageTool. O LanguageTool encontra vários erros que um simples corrector ortográfico não consegue detectar.
383 856 utilizadores
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
394 110 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.
106 664 utilizadores
Dark Background and Light Text
Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.
42 863 utilizadores
Turn Off the Lights
A página irá escurecer para que veja o vídeo como se estivesse no cinema.
46 433 utilizadores
Download Video and Flash - HD Download
Download Video and Flash - HD Download is a great download helper tool that lets you download video and Flash games very easily. Download from YouTube, Facebook, Dailymotion, Vimeo and more. Download and enjoy! Download now!
59 789 utilizadores
Watch2Gether
With Watch2Gether you can watch videos together with your friends. Enhance your Watch2Gether experience with our official browser extension.
55 395 utilizadores