Featured Extensions

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Multifox No Restart Featured

Multifox is an extension that allows Firefox to connect to websites using different user names. Simultaneously!

Rated 4 out of 5 stars (41)
61,883 users

Google Privacy Featured

Make some popular websites respect your privacy settings.
Please see the known issues below!

Rated 5 out of 5 stars (25)
34,731 users

Image Block Featured

Image Block adds a toggle button that conditionally blocks/allows loading of images on webpages. Blocking images results in faster browsing, especially helpful on handheld devices or slower connections like GSM/GPRS/EDGE dial-up etc.

Rated 4 out of 5 stars (107)
47,524 users

Update Scanner Featured

Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.

Rated 4 out of 5 stars (152)
36,214 users

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.

Rated 5 out of 5 stars (99)
176,739 users

Tab Scope Featured

Preview and navigate tab contents through popup.

Rated 4 out of 5 stars (405)
211,852 users

Omnibar Featured

Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.

Rated 4 out of 5 stars (387)
52,609 users

F.B. Purity - Cleans Up Facebook No Restart Featured

F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.

Rated 5 out of 5 stars (55)
56,886 users

NoSquint Featured

NoSquint allows you to adjust the text-only and full-page (both text and images) zoom levels as well as color settings both globally (for all sites) and per site.

Rated 5 out of 5 stars (397)
213,186 users

YouTube High Definition No Restart Featured

YouTube High Definition is a powerful tool that will let you play all YouTube videos in High Definition automatically.

Rated 5 out of 5 stars (111)
240,270 users

ColorfulTabs Featured

The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...

Rated 4 out of 5 stars (862)
276,425 users

Redirect Cleaner Featured

Redirect Cleaner cleans Redirects from Links
www.example.com?url=www.mozilla.org

Rated 4 out of 5 stars (47)
19,290 users

Easy Copy Featured

Copy a page's details such as its title, URL and HTML source with one click so you can paste it anywhere else such as emails, blogs and forums. Copy a single page, all open tabs or all links on a page. Format text as plain text or HTML.

Rated 5 out of 5 stars (16)
35,155 users

Empty Cache Button Featured

Cache clearing made easy. One click.

Rated 4 out of 5 stars (55)
57,292 users

S3 Download Statusbar Featured

View and manage downloads from a tidy statusbar

This is a new life in Firefox 26+ for old well-known addon Download Statusbar

New Features: Replace Downloads Library page.
Now you have full control of your downloads history!

Rated 5 out of 5 stars (136)
81,673 users

SaveAS Featured

Save AS anything with a click of a button. It is handy for web image collection addicts.

Rated 5 out of 5 stars (2)
15,564 users

QR Code Image Generator No Restart Featured

Create a QR Code of the selected text or current URL. Customize image with different colors and sizes.Use CTRL-SHIFT-Q to quickly see the QR Code. Also possible to create a QR Code from free text within Firefox. Works completely offline!

Rated 5 out of 5 stars (6)
9,484 users

FireSSH Featured

FireSSH is a free, cross-platform SSH terminal client for Mozilla Firefox. Written entirely in Javascript!

Rated 4 out of 5 stars (70)
18,215 users

Password Tags Featured

Adds metadata and sortable tags to the password manager.

Rated 5 out of 5 stars (5)
3,223 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 (100)
40,101 users