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by imoz

20 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,842 reviews

19,595,972 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 6,864 reviews

4,227,008 users

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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,833 reviews

2,155,748 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 1,769 reviews

1,240,318 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,001 reviews

1,227,387 users

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

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,566 reviews

2,076,763 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.

Web Developer by chrispederick

Rated 5 out of 5 stars 245 reviews

471,405 users

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

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 55 reviews

195,785 users

Manage any SQLite database on your computer.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 309 reviews

264,015 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 1,358 reviews

110,162 users

Show tabs like a tree.

FirePHP by cadorn

Rated 4 out of 5 stars 48 reviews

42,310 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/

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Rated 4 out of 5 stars 192 reviews

27,566 users

Useful tools for the nightly tester.

Secure Login by Sebastian Tschan, Sarah Av.

Rated 4 out of 5 stars 383 reviews

43,852 users

Secure Login is an extension for Firefox integrated password manager.

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

Rated 4 out of 5 stars 75 reviews

12,390 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 363 reviews

11,093 users

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