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Microsoft .NET Framework Assistant

Adds ClickOnce support and the ability to report installed .NET versions to the web server.

Rated 2 out of 5 stars (123)
2.374.451 usuaris

Firebug Sense reinici

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...

Rated 5 out of 5 stars (1.784)
2.255.103 usuaris

NoScript Security Suite Destacat

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 (1.497)
2.167.823 usuaris

Ghostery Sense reinici Destacat

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

Rated 5 out of 5 stars (1.177)
1.426.911 usuaris

Test Pilot

Help us make Firefox better by joining our structured user studies! No need to download this add-on if you are running Firefox 4 beta, - you are already a part of the team!

Rated 4 out of 5 stars (71)
758.092 usuaris

Element Hiding Helper for Adblock Plus Sense reinici

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Rated 5 out of 5 stars (447)
732.305 usuaris

Stylish Destacat

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

Rated 4 out of 5 stars (746)
663.832 usuaris

Flagfox Sense reinici

Mostra la bandera del país corresponent a la ubicació del servidor de la pàgina web visitada i ofereix nombroses eines com per exemple controls de seguretat de webs, whois, traduccions, validacions i molt més...

Rated 5 out of 5 stars (634)
593.776 usuaris

BetterPrivacy Destacat

Remove or manage a new and uncommon kind of cookies, better known as LSO's. The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others...

Latest updates: See bottom link 'version history'!

Rated 5 out of 5 stars (428)
548.232 usuaris

Web Developer

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

Rated 5 out of 5 stars (216)
539.011 usuaris

IE Tab V2 (Enhanced IE Tab)

Note: If you are encountering the Connecting... problem see instructions below.

The updated, fully supported IE Tab. Embed IE in a Firefox tab. IE Tab Features: FF 4+ support, IE 7-9 compatibility modes, old IE Tab settings import.

Rated 4 out of 5 stars (417)
536.467 usuaris

FireFTP Destacat

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

Rated 4 out of 5 stars (930)
533.986 usuaris

iMacros for Firefox Destacat

Automate Firefox. Record and replay repetitious work. If you love the Firefox web browser, but are tired of repetitive tasks like visiting the same sites every days, filling out forms, and remembering passwords, then iMacros for Firefox is the soluti...

Rated 4 out of 5 stars (378)
419.769 usuaris

User Agent Switcher Destacat

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

Rated 4 out of 5 stars (249)
364.345 usuaris

FoxyProxy Standard Destacat

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.

Rated 4 out of 5 stars (342)
292.128 usuaris

ColorZilla

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

Rated 5 out of 5 stars (303)
274.572 usuaris

Disconnect Destacat

Make the web faster, more private, and more secure.

Rated 4 out of 5 stars (148)
261.057 usuaris

QuickJava Destacat

Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.

Rated 5 out of 5 stars (251)
258.355 usuaris

Webpage Screenshot in Firefox (♥♥♥♥♥)

FireShot Webpage Screenshots captures pages entirely. Demo: http://bit.ly/RlBQMV

Screenshots can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only

Rated 5 out of 5 stars (433)
256.551 usuaris

IE Tab

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

Rated 4 out of 5 stars (1.190)
248.193 usuaris