addons I've Used

by LandisTwo

51 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,887 reviews

20,031,442 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 1,840 reviews

2,018,974 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...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,012 reviews

1,220,085 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Stylish by

Rated 4 out of 5 stars 834 reviews

449,363 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 265 reviews

324,574 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 248 reviews

447,456 users

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

Classic Theme Restorer by Aris

Rated 5 out of 5 stars 1,148 reviews

422,830 users

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).

All builds & changelogs on versions page!

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 58 reviews

189,595 users

Manage any SQLite database on your computer.

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,219 reviews

519,602 users

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

Session Manager by Michael Kraft

Rated 4 out of 5 stars 486 reviews

281,547 users

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Tree Style Tab by Piro (piro_or)

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Rated 4 out of 5 stars 1,371 reviews

107,298 users

Show tabs like a tree.

Tilt 3D by Victor Porof, robcee

Rated 4 out of 5 stars 38 reviews

18,125 users

A WebGL-based 3D visualization of a webpage.

Quick Locale Switcher by ppclick

Rated 3 out of 5 stars 88 reviews

168,577 users

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Yandex.Bar by Yandex

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Rated 2 out of 5 stars 366 reviews

462,655 users

Advanced toolbar for Firefox

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 70 reviews

118,577 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
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