Explore powerful tools and features to customize Firefox and make the browser all your own.
Copy Text multiple times before pasting
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.
Send the page you are currently viewing to your mobile device. QR codes are generated instantly in browser and never leave your computer. Implemented with WebExtensions API and compatible with Firefox 57+.
Quickly and easily switch between popular user-agent strings.
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!<
Play game Flappy Bird when you open a new tab. Try to fly the bird as far as you can without hitting a pipe!
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.
Ad Blocking, remastered. Incognito Adblocker took all of the best ad blocking and privacy protection features you’d expect in an adblocker extension and advanced them to create the best adblock extension yet.
★ ★ ★ ★ ★ Adblock Features: + Adblock on all websites. + Malware- and Adblock. + Performance enhancement in browsing speed. + Adblock of ads, banners and pre-rolls on Youtube. + No more Banner, PopUp, PopUnder + INSTALL ADBLOCK
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
Complete YouTube video download is the ultimate YouTube downloader that allows you to save any video from YouTube to your favorite format (MP3, MP4, WEBM, M4A, 3GP, Subtitles and thumbnails)
Run Instagram on Desktop just like your favorite mobile app. Enjoy the most beautiful Instagram Web client. Turn on Instagram Night mode in just few clicks