Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
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Choose from thousands of extra features and styles to make Firefox your own.
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Tube Enhancer Plus
Featured
Take control of YouTube™ and do so much more!
Download videos, convert videos to MP3 and AAC, block ads, automatically play videos in HD, watch the Top 50 and your favorite videos in sidebar while you surf, change YouTube's style, loop videos, etc..
This add-on is not compatible with your version of Firefox because of the following:
AddThis
Featured
AddThis for Firefox is the best add-on to make sharing and bookmarking simple. Have all your favorite web 2.0 social networking, bookmarking, blogging, and e-mail services at your fingertips. Share any page, anytime, with anyone.
This add-on is not compatible with your version of Firefox because of the following:
Quick Translator
Featured
The most lightweight and easiest translator. Translate between more than 50 languages with one click or a hot key. Translate from one word to a whole page.
This add-on is not compatible with your version of Firefox because of the following:
Theme Font & Size Changer
Featured
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
This add-on is not compatible with your version of Firefox because of the following:
Master Password+
Featured
Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows
This add-on is not compatible with your version of Firefox because of the following:
Private TabThis add-on is not compatible with your version of Firefox because of the following:
Pocket
Featured
When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.
This add-on is not compatible with your version of Firefox because of the following:
Password TagsThis add-on is not compatible with your version of Firefox because of the following:
Saved Password Editor
Featured
Adds the ability to create and edit entries in the password manager.
This add-on is not compatible with your version of Firefox because of the following:
gTranslate
Featured
With gTranslate you can translate any text in a webpage just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.
This add-on is not compatible with your version of Firefox because of the following:
Fastest Search
No Restart
Featured
This all-in-one search/browse/productivity boosting addon could replace many top addons yet offers MANY unique features like regex, smart searchbox, multi-tab preview, ... Ctrl-Shift-F activates a special FindBar more powerful than any browser/addon.
This add-on is not compatible with your version of Firefox because of the following:
Tab notifier
Featured
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!
This add-on is not compatible with your version of Firefox because of the following:
Update Scanner
Featured
Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.
This add-on is not compatible with your version of Firefox because of the following:
Undo Closed Tabs Button
Featured
Tired of going to History -> Recently Closed Tabs just to undo a closed tab? Then this extension is for you!
This extension allows you to undo closed tabs via a toolbar button or the right-click context menu.
This add-on is not compatible with your version of Firefox because of the following:
Public Fox
Featured
Block downloads, lock down bookmarks/addons/downloads with a password.
This add-on is not compatible with your version of Firefox because of the following:
All-in-One Sidebar
Featured
AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.
This add-on is not compatible with your version of Firefox because of the following:
S3.Google Translator
Featured
S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.
This add-on is not compatible with your version of Firefox because of the following:
Extended Statusbar
Featured
A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)
This add-on is not compatible with your version of Firefox because of the following:
Google Translator for Firefox
Featured
With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.
This add-on is not compatible with your version of Firefox because of the following:
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