SeaMonkey

by Zulkarnain K.

45 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,842 reviews

19,595,972 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 4 out of 5 stars 1,769 reviews

1,240,318 users

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

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,566 reviews

2,076,763 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 Ghostery

Rated 5 out of 5 stars 1,285 reviews

1,381,100 users

Increase your browsing privacy, protection, and speed.

Stylish by Jason Barnabe

Rated 4 out of 5 stars 821 reviews

456,186 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 263 reviews

332,907 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 245 reviews

471,405 users

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

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 55 reviews

195,785 users

Manage any SQLite database on your computer.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 309 reviews

264,015 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 170 reviews

148,079 users

View HTTP headers of a page and while browsing.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 168 reviews

88,165 users

An HTTP analyzer addon for Firefox

Image Zoom by Jason Adams

Rated 4 out of 5 stars 341 reviews

143,053 users

Adds zoom and rotation functionality for images...

QuickNote by Leszek Życzkowski, Jed Brown, others

Rated 5 out of 5 stars 173 reviews

27,963 users

A simple note-taking extension.

Saved Password Editor by Daniel Dawson

Rated 5 out of 5 stars 230 reviews

91,273 users

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

Add-ons Manager Context Menu by Zulkarnain K.

Rated 5 out of 5 stars 35 reviews

18,507 users

Add more items to Add-ons Manager context menu.
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