by viewer1974

23 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,981 reviews

22,048,803 users

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).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,793 reviews

2,459,551 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,612 reviews

1,420,141 users

The first and only download manager/accelerator built inside Firefox!

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,504 reviews

2,330,470 users

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.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 251 reviews

392,381 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

FoxyProxy Standard by Eric H. Jung, groeg, others

Rated 4 out of 5 stars 343 reviews

307,529 users

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Flagfox by Dave G

Rated 5 out of 5 stars 635 reviews

629,971 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,517 reviews

327,887 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

ReloadEvery by Jaap Haitsma

Rated 4 out of 5 stars 676 reviews

177,526 users

Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,391 reviews

220,375 users

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.

Fast Dial by telega

Download Now


Rated 3 out of 5 stars 2,456 reviews

150,964 users

Visual bookmarks for Firefox. (Works with all latest versions of Firefox)

FEBE by Chuck_Baker

Rated 4 out of 5 stars 640 reviews

130,566 users

FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.

Fast Video Download by Applian Technologies

Download Now


Rated 3 out of 5 stars 282 reviews

70,049 users

Quickly and easily download video files from popular sites like YouTube, Dailymotion,, etc. For a more powerful free video recorder, install Freecorder at

YouTube to MP3 by

Download Now


Rated 3 out of 5 stars 303 reviews

146,010 users

Adds links to convert and download Youtube, MyVideo, Clipfish, Sevenload, Dailymotion, MySpace videos as MP3 files. Visit our site: for more information

FlashFirebug by O-Minds

Rated 4 out of 5 stars 5 reviews

31,450 users

Debug Flash/SWF files on the web. Edit properties and inspect elements on the fly. View log output inside the extension. Run AS3 code against the active SWF. Access assets with the Explorer. View AMF calls and Shared Objects and much much more...
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