Explore powerful tools and features to customize Firefox and make the browser all your own.
Right click a selection, page or link to translate words in Firefox.
Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
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.
Capture, Reverse Image Search is a powerful capturing reverse image search tool built on top of TinEye engine.
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.
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.
Augments your Steam Experience
It may be the most user-friendly new tab on Firefox browser
Set your browser's default search to use Presearch.org
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!
The fastest and yet most complete Adblocker on the market.
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!