Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Tab notifier
Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!
1,866 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,879,502 users
AdBlock for Firefox
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.
1,173,300 users
Dictionary (Google™ Translate) Anywhere
"Dictionary (Google™ Translate) Anywhere" extension provides access to a floating multilingual Google Translate panel on any webpage.
27,330 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!<
206,857 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!
1,409 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.
56,404 users
OmniSidebar
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!
25,748 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!
12,909 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.
1,357 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.
9,070 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
1,768 users