Featured Extensions


uMatrix Featured

Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.

Rated 5 out of 5 stars (101)
40,437 users

LeechBlock Requires Restart Featured

LeechBlock is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

Rated 5 out of 5 stars (625)
77,491 users

Integrated Inbox for Gmail and Google Apps Featured

Tired of having multiple tabs open just to view your favorite Google services and other Apps like Feedly, Evernote, Twitter and more? Now you can see them right from your Gmail Inbox.

Install now or visit www.integratedinbox.com for more info.

Rated 5 out of 5 stars (260)
11,587 users

Toolbar Buttons Featured

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Rated 4 out of 5 stars (328)
111,293 users

S3.Google Translator Requires Restart 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.

New Feature: Language learning!

Rated 5 out of 5 stars (382)
373,176 users

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!

Rated 4 out of 5 stars (45)
4,515 users

YouTube Anywhere Player Featured

Watch videos anywhere in cinema mode without leaving the website you're on.

Rated 5 out of 5 stars (64)
20,771 users

Save Text To File Featured

Saves highlighted text to a file in the specified directory

Rated 5 out of 5 stars (97)
20,171 users

ChatZilla Requires Restart Featured

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

Rated 4 out of 5 stars (125)
123,312 users

VimFx Featured

Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.

Rated 5 out of 5 stars (163)
16,524 users

Web of Trust, MyWOT/WOT: Website Reputation Rating Requires Restart Featured

Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs so you can decide whether to visit a site:
• Green – The site is trusted
• Yellow – Be cautious
• Red – Online threats detected

Rated 4 out of 5 stars (1,305)
877,227 users

Menu Wizard Requires Restart Featured

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (187)
73,558 users

Tab Scope Requires Restart Featured

Preview and navigate tab contents through popup.

Rated 4 out of 5 stars (476)
121,807 users

History Submenus II Featured

Add sub-menus to History Menu for previous days' history.

Rated 5 out of 5 stars (44)
3,128 users

Addictive Typing Lessons Requires Restart Featured

Learn touch typing, or improve your typing.

Rated 4 out of 5 stars (23)
7,280 users

Stylish Requires Restart Featured

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (835)
448,796 users

HTTPS Everywhere Requires Restart Featured

Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.

Rated 4 out of 5 stars (120)
242,154 users

Smart HTTPS Featured

Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts it back to HTTP.

Rated 4 out of 5 stars (23)
39,550 users

Web Developer Requires Restart Featured

The Web Developer extension adds various web developer tools to the browser.

Rated 5 out of 5 stars (249)
447,776 users

Fox Web Security Requires Restart Featured

Protection from adult content (parental control) and from dangerous sites.
Entrust protection for yourself and your children to professionals!

Rated 4 out of 5 stars (25)
25,511 users