My Favorite Add-ons

by gf

9 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,773 reviews

2,437,929 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 954 reviews

1,255,642 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 743 reviews

686,345 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 213 reviews

580,217 users

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

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 300 reviews

261,731 users

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

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 332 reviews

156,953 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

ShowIP by ShowIP Dev Team

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Experimental

Rated 3 out of 5 stars 284 reviews

74,553 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.

gTranslator by GHR

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Experimental

Rated 4 out of 5 stars 166 reviews

15,328 users

Google translate gadget for firefox. This extension translates entire webpages into a language of your choice with one click. Idea comes from Google Translation Bar for Chrome.

Test Pilot by Mozilla Labs, Gregg Lind, others

Rated 4 out of 5 stars 71 reviews

757,005 users

Help us make Firefox better by joining our structured user studies! No need to download this add-on if you are running Firefox 4 beta, - you are already a part of the team!

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