SeaMonkey

by Zulkarnain K.

42 Add-ons in this Collection

Adblock Plus by Eyeo

Rated 5 out of 5 stars 7,669 reviews

11,889,931 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).

Ghostery – Privacy Ad Blocker by Ghostery

Rated 4 out of 5 stars 2,352 reviews

1,228,942 users

Ghostery is a powerful privacy extension.

Block ads, stop trackers and speed up websites.

NoScript Security Suite by Giorgio Maone

Rated 4 out of 5 stars 2,626 reviews

937,240 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, "Spectre", "Meltdown" and other JavaScript exploits.
Fx52? https://noscript.net/getit

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 2,868 reviews

615,987 users

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

Stylish - Custom themes for any website by userstyles.org

Rated 4 out of 5 stars 1,314 reviews

321,460 users

Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.

Web Developer by chrispederick

Rated 4 out of 5 stars 491 reviews

264,100 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 443 reviews

182,284 users

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

Saved Password Editor by Daniel Dawson

Rated 5 out of 5 stars 387 reviews

58,086 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 332 reviews

144,495 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 4 out of 5 stars 347 reviews

100,505 users

Manage any SQLite database on your computer.

QuickNote by Leszek Życzkowski, Jed Brown, others

Rated 5 out of 5 stars 202 reviews

16,249 users

A simple note-taking extension.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 216 reviews

60,853 users

View HTTP headers of a page and while browsing.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 213 reviews

36,733 users

An HTTP analyzer addon for Firefox

Image Zoom by Jason Adams

Rated 4 out of 5 stars 354 reviews

65,547 users

Adds zoom and rotation functionality for images...

Open in Browser by Rob W, Sylvain Pasche, others

Rated 5 out of 5 stars 72 reviews

5,355 users

Offers the possibility to display documents in the browser window.
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