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by imoz

20 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,301 reviews

18,411,947 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 4,221 reviews

5,926,179 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 1,649 reviews

2,626,209 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 5 out of 5 stars 1,403 reviews

1,536,680 users

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

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,320 reviews

2,193,669 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.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 866 reviews

1,621,873 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 183 reviews

687,408 users

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

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 57 reviews

201,399 users

Manage any SQLite database on your computer.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 284 reviews

318,658 users

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

Tree Style Tab by Piro (piro_or)

Download Now

Experimental

Rated 4 out of 5 stars 951 reviews

91,588 users

Show tabs like a tree.

FirePHP by cadorn

Rated 4 out of 5 stars 42 reviews

67,218 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/

Secure Login by Sebastian Tschan

Rated 4 out of 5 stars 282 reviews

64,627 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

53,988 users

Useful tools for the nightly tester.

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

Rated 4 out of 5 stars 59 reviews

15,952 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 335 reviews

16,051 users

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