My Favorite Add-ons

by Martin Schejbal

14 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,825 reviews

2,090,220 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 985 reviews

1,275,115 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 394 reviews

397,009 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 231 reviews

478,918 users

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

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

Rated 5 out of 5 stars 451 reviews

270,811 users

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 652 reviews

515,442 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 168 reviews

149,058 users

View HTTP headers of a page and while browsing.

SeoQuake SEO extension by SeoQuake Team

Rated 4 out of 5 stars 211 reviews

67,042 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 426 reviews

64,572 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 126 reviews

131,432 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

18,614 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 74 reviews

14,277 users

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

Zindus by Leni Mayo

Rated 4 out of 5 stars 207 reviews

26,880 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

13,699 users

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

The original notifier for Gmail.

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