Featured Extensions

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Show My Password Featured

You are annoyed because your password fields are always scrambled though nobody else but you can see the screen? This most advanced unscrambling addon shows your passwords in readable letters, while being fully customizable to fit your needs.

Rated 5 out of 5 stars (76)
34,021 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)
11,633 users

Forecastfox (fix version) Featured

Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

Now Available for: Firefox, Thunderbird and SeaMonkey!

Rated 5 out of 5 stars (179)
61,583 users

X-notifier (for Gmail,Hotmail,Yahoo,AOL ...) Featured

Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more

Rated 4 out of 5 stars (1,638)
105,892 users

YouTube ALL HTML5 No Restart Featured

Play all videos on youtube without flash in your preferred size using only HTML5.

Rated 4 out of 5 stars (142)
125,306 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)
16,965 users

Blur No Restart Featured

Protect your Passwords, Payments, and Privacy.

Rated 3 out of 5 stars (735)
233,306 users

Duplicate Tabs Closer No Restart Featured

Detects and automatically closes duplicate tabs.

Rated 4 out of 5 stars (25)
5,086 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)
21,663,194 users

Capture & Print No Restart Featured

This add-on lets you print a webpage's area easily.

Rated 5 out of 5 stars (50)
49,960 users

Privacy Settings No Restart Featured

Alter Firefox's built-in privacy settings easily with a toolbar panel.

Rated 5 out of 5 stars (34)
14,103 users

FB Phishing Protector No Restart Featured

Protects you from Phishing or Scams (through XSS injection attacks) while you're on Facebook™ - Version 4.2 introduces a Tracking Protection feature as well.

Rated 5 out of 5 stars (30)
37,883 users

AdBlock for YouTube™ No Restart Featured

AdBlock for YouTube™ removes all annoying Ads from YouTube

Rated 4 out of 5 stars (22)
255,114 users

Addictive Typing Lessons Featured

Learn touch typing, or improve your typing.

Rated 4 out of 5 stars (23)
8,840 users

Clear Console Featured

One click to clear your cache, cookies, history, html5/local storage, http logins, all of them or restart your browser with/without notifications.

Rated 4 out of 5 stars (60)
30,317 users

Self-Destructing Cookies No Restart Featured

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Rated 4 out of 5 stars (455)
192,806 users

YouTube High Definition No Restart Featured

YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.

Rated 5 out of 5 stars (219)
277,405 users

Saved Password Editor Featured

Adds the ability to create and edit entries in the password manager.

Rated 5 out of 5 stars (220)
93,252 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)
113,964 users

HTTPS Everywhere 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 (57)
149,793 users