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by imoz

19 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,812 reviews

14,033,855 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).

Video DownloadHelper by mig

Rated 4 out of 5 stars 8,670 reviews

3,667,580 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,632 reviews

1,722,718 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.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,250 reviews

579,921 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...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,881 reviews

923,510 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,228 reviews

856,182 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 284 reviews

291,028 users

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

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 84 reviews

140,464 users

Manage any SQLite database on your computer.

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 387 reviews

169,086 users

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

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Nightly Tester Tools (NTT) is an add-on for aiding testers of Nightly builds of Mozilla apps including Firefox.

Secure Login by Sebastian Tschan, Sarah Av.

Rated 4 out of 5 stars 359 reviews

26,902 users

Secure Login is an extension for Firefox integrated password manager.

For Firefox > 51, try my WebExtension implementation: https://addons.mozilla.org/en-US/firefox/addon/secure-login-webextension/

FirePHP by cadorn

Rated 4 out of 5 stars 51 reviews

19,418 users

FirePHP enables you to log to your Firebug Console using a simple PHP method call.

Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/

Mozilla Labs - Prism by Mozilla Labs

Create Prism applications directly from Firefox

CustomizeGoogle by CustomizeGoogle

Download Now

Experimental

Rated 4 out of 5 stars 370 reviews

1,699 users

CustomizeGoogle enhances Google by adding information and removing unwanted information.
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