As extensões são como aplicações para o seu navegador.
Estes adicionam funcionalidades ao Firefox para tornar a navegação mais rápida, mais inteligente ou simplesmente divertida.
SoundFixer
Lets you fix annoying sound problems in YouTube videos and such. Like audio in one channel only, too quiet or too loud. (Unfortunately, doesn't work on many other websites because of cross-domain issues — but it does work on YouTube.com!)
17 592 utilizadores
FoxClocks
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
23 706 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.
29 039 utilizadores
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1 195 143 utilizadores
Decentraleyes
Protege contra monitorização através de entrega de conteúdo centralizado. Impede pedidos de chegar a redes como Google Hosted Libraries e serve ficheiros locais para que os sites não quebrem. Complementa bloqueadores de conteúdo regulares.
202 531 utilizadores
Facebook Container
Impeça que o Facebook rastreie a sua atividade na Internet. A extensão Facebook Container para Firefox ajuda-o a controlar e isolar a sua atividade online.
725 938 utilizadores
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
2 692 482 utilizadores
NoScript Security Suite
The best security you can get in a web browser! Allow active content to run only from sites you trust, and protect yourself against XSS other web security exploits. Disabled and can't reinstall? https://tinyurl.com/moz-ext-cert
1 496 144 utilizadores
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1 195 143 utilizadores
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
866 778 utilizadores
Bitwarden - Gestor de palavras-passe gratuito
Um gestor de palavras-passe seguro e gratuito para todos os seus dispositivos
128 035 utilizadores
1Password X – 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.
49 633 utilizadores
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
86 426 utilizadores