Udforsk kraftfulde værktøjer og funktioner til at tilpasse Firefox, og gør den til din helt egen.
An easy-to-use font inspector to get CSS styles of the selected element
Copy Text multiple times before pasting
Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.
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!
Privacy-fokuseret annonceblokker, der også virker i inkognitomodus. Forbedre browsinghastigheden ved at undgå at downloade annoncer.
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.