My Favorite Add-ons

by Martin Schejbal

14 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,089 reviews

2,050,581 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 1,023 reviews

1,203,061 users

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

iMacros for Firefox by Ipswitch

Rated 4 out of 5 stars 440 reviews

741,293 users

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Web Developer by chrispederick

Rated 5 out of 5 stars 260 reviews

462,244 users

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

Full Web Page Screenshots (♥♥♥♥♥) by susbox

FireShot makes full web page screenshots. Demo: http://bit.ly/RlBQMV

Screenshots can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only

Flagfox by Dave G

Rated 5 out of 5 stars 683 reviews

473,488 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 172 reviews

140,477 users

View HTTP headers of a page and while browsing.

SeoQuake SEO extension by SeoQuake Team

Rated 4 out of 5 stars 216 reviews

64,850 users

Accelerate your SEO efforts on the fly. SEOquake is a free plugin for browsers that provides you with key SEO metrics for a specific page, along with other useful tools such as SEO Audit and many others.

Download Manager Tweak by squashr1979, andman42

Rated 4 out of 5 stars 434 reviews

54,768 users

Allows the download manager to also open in a tab or sidebar, and adds some optional display changes.

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 127 reviews

116,531 users

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

Screengrab by Andy M

Rated 4 out of 5 stars 587 reviews

19,371 users

Screengrab! saves webpages as images... but not for new versions of Firefox.

FF changes too fast and I don't have the time to maintain it anymore. Bugs have developed that I am not in a position to investigate.

Therefore, Screengrab is EOL.

SEO Doctor by vprelovac

Rated 4 out of 5 stars 76 reviews

12,629 users

SEO Doctor allows easy SEO diagnosis and problem solving for webmasters.

Zindus by Leni Mayo

Rated 4 out of 5 stars 207 reviews

24,976 users

Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)

Gmail Notifier by Doron Rosenberg

Rated 4 out of 5 stars 621 reviews

8,830 users

Note from Mozilla: This add-on has been discontinued. Try WebMail Notifier instead.

The original notifier for Gmail.

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