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by imoz

20 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,201 reviews

17,692,061 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 4,152 reviews

6,201,537 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.
This works also for audio and picture galleries.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,624 reviews

2,663,695 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...

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,294 reviews

2,265,579 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.

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,390 reviews

1,571,029 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 854 reviews

1,801,849 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 178 reviews

709,802 users

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

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 52 reviews

197,116 users

Manage any SQLite database on your computer.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 282 reviews

313,073 users

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

FirePHP by cadorn

Rated 4 out of 5 stars 41 reviews

66,849 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/

Tree Style Tab by Piro (piro_or)

Download Now

Experimental

Rated 4 out of 5 stars 914 reviews

90,394 users

Show tabs like a tree.

Secure Login by Sebastian Tschan

Rated 4 out of 5 stars 277 reviews

67,842 users

Secure Login is an extension for Firefox integrated password manager.

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Rated 4 out of 5 stars 182 reviews

58,456 users

Useful tools for the nightly tester.

Certificate Patrol by Carlo v. Loesch, tg(x), others

Rated 4 out of 5 stars 58 reviews

16,847 users

Your browser trusts many certification authorities and intermediate sub-authorities quietly, every time you enter an HTTPS web site. This add-on reveals when certificates are updated, so you can ensure it was a legitimate change.

FaviconizeTab by Kyosuke Takayama

Rated 4 out of 5 stars 333 reviews

16,711 users

This extension adds a new "FaviconizeTab" option to the context menu of the tab...
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