Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Translate Now
Right click a selection, page or link to translate words in Firefox.
16,655 users
User-Agent Switcher and Manager
Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
18,259 users
Grammar and Spell Checker - LanguageTool
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
44,972 users
Reverse Image Search
Capture, Reverse Image Search is a powerful capturing reverse image search tool built on top of TinEye engine.
6,698 users
Flash Player
Flash Player runs and saves any flash file across the web. The Addon allows you to add any flash file into the app's playlist and access them on any website by simply clicking an extension icon.
91,702 users
Evernote Easy Access in Pinned Tab
I always enjoyed using Evernote and would love to have an easy access to its superb services. With this addon, you can simply press Alt+P or just click on the extension icon to jump to Evernote in a pinned tab.
1,778 users
Augmented Steam
Augments your Steam Experience
6,311 users
Infinity New Tab (Pro)
It may be the most user-friendly new tab on Firefox browser
7,840 users
Presearch.org Search Extension
Set your browser's default search to use Presearch.org
770 users
YouTube Download Helper
2019 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!
1,196 users
AdBlock Free
The fastest and yet most complete Adblocker on the market.
1,394 users
Spoiler Protection 2.0
Enjoy surfing on the internet with Spoiler Protection 2.0 by preventing spoilers ruining the experience of a movie, series or sport event you haven't seen yet. Get rid of the unwanted spoilers!
858 users