Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Ecosia — The search engine that plants trees!
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!
253,906 users
User-Agent Switcher and Manager
Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
13,740 users
Firefox Multi-Account Containers
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.
147,547 users
Enhancer for YouTube™
Tons of features to improve your user experience on YouTube™.
364,391 users
Classic Theme Restorer (Fx29-56)
Squared tabs, application menu, add-on bar, small button view and many more 'old' features for 'Firefox 29-56', not for Firefox 57+! >Latest builds on Github!<
200,870 users
Flappy Bird New Tab
Play game Flappy Bird when you open a new tab. Try to fly the bird as far as you can without hitting a pipe!
1,254 users
Incognito Adblocker
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.
8,462 users
Tab Groups
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.
54,563 users
Amadello
Amadello - Shoppinghelfer. Du hast ein cooles Produkt gefunden, würdest es aber am liebsten direkt bei Ebay oder Amazon kaufen oder erst Preise vergleichen bei IDEALO? Kein Problem Amadello hilft dir mit nur einem Klick.
1,052 users
YouTube Download Helper
2018 updated downlaod helper for YouTube. Download any video from YouTube to MP3, MP4, WEBM, M4A or 3GP. Subtitles and thumbnails also available for download with a single mouse click!
9,338 users
Gemalto Web Signer for Barclays
Gemalto Web Signer is a digital signature−based software solution designed to protect and secure Internet transactions. © Gemalto 2018
1,375 users
YouTube to MP3
Download YouTube video as Mp3 right from YouTube with one click! On-page plugin to download from YouTube to Mp3! 1) Convert video from YouTube to Mp3. 2) Download Mp3.
6,804 users