Featured Extensions

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NoScript Security Suite Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,530)
2,436,033 users

1-Click YouTube Video Download Featured

The simplest YouTube Video Downloader for all YouTube Flash sites, period.

Rated 4 out of 5 stars (509)
740,827 users

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.

Rated 4 out of 5 stars (367)
53,954 users

Weather Forecast Plus No Restart Featured

Weather Forecast Plus is the easiest way to check the weather while you browse internet

Rated 3 out of 5 stars (72)
38,944 users

Integrated Inbox for Gmail and Google Apps No Restart 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 (259)
16,048 users

Add Google Search To New Tab Page Featured

An extension that adds a Google search box to the standard Firefox new tab page

Rated 4 out of 5 stars (25)
35,990 users

Save Text To File No Restart Featured

Saves highlighted text to a file in the specified directory

Rated 5 out of 5 stars (93)
24,903 users

KeeFox Featured

Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.

Rated 5 out of 5 stars (1,099)
63,073 users

YouTube Anywhere Player No Restart Featured

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

Rated 4 out of 5 stars (61)
27,637 users

Resurrect Pages Featured

Dead pages, broken links, the scourge of the internet. Powerhouse sites like Slashdot and Digg can bring a server to its knees. What do we do when a page is dead but we still want to see it? Call in the clerics, and perform a resurrection...

Rated 5 out of 5 stars (62)
24,768 users

Ghostery No Restart Featured

Enjoy a faster, safer and cleaner browsing experience.

Rated 4 out of 5 stars (1,267)
1,599,693 users

Adblock Plus No Restart Featured

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (5,041)
22,320,622 users

Mind the Time No Restart Featured

Keep track of how much time you spend on the web, and where you spend it. A toolbar ticker shows the time spent at the current site or the total time spent on the web today. A summary page sums up data for the past 70 days, 10 weeks, and 6 months.

Rated 4 out of 5 stars (81)
17,521 users

Classic Toolbar Buttons No Restart Featured

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (144)
42,047 users

Copy As Plain Text Featured

Removes formatting from copied text.

Rated 4 out of 5 stars (57)
25,433 users

BugMeNot No Restart Featured

Bypass compulsory web registration with the context menu via www.bugmenot.com.

Rated 4 out of 5 stars (219)
38,240 users

VimFx No Restart Featured

Vim-style keyboard shortcuts for browsing and navigation, significantly reducing the use of the mouse.

Rated 5 out of 5 stars (140)
12,153 users

Easy Copy Featured

Copy links to a page with one click, ready to paste anywhere else, eg. emails, blogs, forums and Twitter. Copy a single page, all open tabs or all links on a page.

Rated 5 out of 5 stars (30)
17,584 users

Print Edit Featured

Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.

Rated 5 out of 5 stars (283)
119,147 users

Theme Font & Size Changer No Restart 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.

Rated 5 out of 5 stars (166)
102,315 users