Explore powerful tools and features to customize Firefox and make the browser all your own.
YouTube with more freedom
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
Ecosia is a search engine that uses 80% of its profits from ad revenue to plant trees. By searching with Ecosia you can help the environment for free. This extension adds Ecosia.org as the default search engine to your Firefox browser. Give it a try!
Protect your Passwords, Payments, and Privacy.
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.
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
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
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)
List addons in Windows' "Add or Remove Programs".