Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
An easy-to-use tab reloader with custom reloading time settings for individual tabs
Makes every page (or only pages that you want) to have light text on dark background. Exact colors are customizable.
Select a number of links with a rectangle and open them in new tabs. You can also lasso checkboxes to quickly check or uncheck them. Works with radio buttons as well.
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.
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.
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.
Finalmente, um bloqueador eficiente. Leve na CPU e memória.
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
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.