Explore powerful tools and features to customize Firefox and make the browser all your own.
YouTube with more freedom
Protect your Passwords, Payments, and Privacy.
Tons of features to improve your user experience on YouTube™.
An easy-to-use font inspector to get CSS styles of the selected element
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.
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.
Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.
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
Provides ability to disable "about:*" pages by the configuration.
List addons in Windows' "Add or Remove Programs".
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)