SeaMonkey

by Zulkarnain K.

45 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,303 reviews

18,387,997 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).

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,403 reviews

1,532,208 users

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

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,321 reviews

2,228,391 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.

Ghostery by José María Signanini, Brad McDermott

Rated 5 out of 5 stars 860 reviews

1,155,677 users

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

Stylish by Jason Barnabe

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.

Web Developer by chrispederick

Rated 5 out of 5 stars 183 reviews

691,405 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 198 reviews

423,915 users

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

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 57 reviews

201,827 users

Manage any SQLite database on your computer.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 284 reviews

311,927 users

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

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 136 reviews

204,955 users

View HTTP headers of a page and while browsing.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 154 reviews

108,688 users

An HTTP analyzer addon for Firefox

Scriptish by Erik Vold, Nils Maier, others

Rated 4 out of 5 stars 92 reviews

82,227 users

The greatest user script engine on the Internet (a fork of Greasemonkey).

Image Zoom by Jason Adams

Rated 4 out of 5 stars 310 reviews

201,671 users

Adds zoom and rotation functionality for images...

Private Tab by Infocatcher

Rated 5 out of 5 stars 136 reviews

67,744 users

Adds private tabs.

RefControl by James Abbatiello

Rated 4 out of 5 stars 151 reviews

103,316 users

Control what gets sent as the HTTP Referer on a per-site basis.
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