Explore powerful tools and features to customize Firefox and make the browser all your own.
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.
An easy-to-use font inspector to get CSS styles of the selected element
Dark theme for every website. Care your eyes, use Dark Reader for night and daily browsing.
Edit the contents of a web page prior to printing or saving. Elements in the web page can be edited, formatted, hidden or deleted. Unwanted content, such as adverts and sidebars, can easily be removed.
Squared tabs, application button menu, add-on bar, small button view, old search and many more 'old' features for 'Firefox 29-56' only, not for Firefox Quantum (57+)! >Latest builds only on Github!<
Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.
Play game Flappy Bird when you open a new tab. Try to fly the bird as far as you can without hitting a pipe!
Bloquejador d'anuncis centrat en la privacitat que elimina els anuncis de qualsevol lloc web, fins i tot en mode d'incògnit. Millori la velocitat de navegació evitant descarregar els anuncis.
Run Instagram on Desktop just like your favorite mobile app. Enjoy the most beautiful Instagram Web client. ★ turn on Instagram Night mode ★ download stories and photos ★ upload from your PC or Mac
List addons in Windows' "Add or Remove Programs".
Adblocker Features: + Adblocker on every Youtube Video + Malware- and Adblocker. + Performance enhancement in browsing speed. + Adblocker of ads, banners and pre-rolls on Youtube. + No more Banner, PopUp, PopUnder + INSTALL ADBLOCKER
Provides ability to disable "about:*" pages by the configuration.