by And

8 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,793 reviews

2,459,551 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 959 reviews

1,304,833 users

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

Stylish by Jason Barnabe

Rated 4 out of 5 stars 754 reviews

695,155 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

Web Developer by chrispederick

Rated 5 out of 5 stars 217 reviews

604,961 users

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

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 305 reviews

321,314 users

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

ShowIP by ShowIP Dev Team

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Rated 3 out of 5 stars 283 reviews

71,772 users

Show the IP address of the current page in the status bar. It also allows querying custom information services by IP (right click) and see location and avaiable vouchers for shopping sites. Additionally you can copy the IP address to the clipboard.

SEO Toolbar by Trellian

Rated 5 out of 5 stars 9 reviews

5,619 users

The SEO Toolbar shows PageRank, Alexa, Popularity Index, Compete & SEMRush Rank for any website you visit - all on the one toolbar. Other SEO features include Search Engine view, server header view, Wayback Machine button and handy website links.

Search Cloudlet for Google, Yahoo and Twitter by INTSPEI Cloudlet Team

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Rated 5 out of 5 stars 74 reviews

839 users

Search Cloudlet inserts smart tag clouds into Google / Yahoo / Twitter interface to help you search faster. This free productivity-boosting add-on was featured at LifeHacker, PC World, Website Magazine, etc. Install it now to add magic to your search

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