My Favorite Firefox Add-ons

At least twice a week I recommend a Firefox addon/plugin to friends, collegues and family. I finally decided to create this page to serve as the main link I send everyone to for a quick description and direct link to install.

Gmail Manager
Allows you to manage multiple Gmail accounts. Displays alerts and a status message in the Firefox taskbar when you have new mail and can auto-sign you in upon double clicking.
Link: https://addons.mozilla.org/en-US/firefox/addon/1320

Forecastfox
Display weather information from AccuWeather.com in the toolbar or statusbar.
Link: https://addons.mozilla.org/en-US/firefox/addon/398

PDF Download
Allows you to choose how you want a PDF opened, either within the browser, in Acrobat or save the PDF to your computer.
Link: https://addons.mozilla.org/en-US/firefox/addon/636

Image Zoom
Zoom in and out of images.
Link: https://addons.mozilla.org/en-US/firefox/addon/139

Save As Image
Adds the ability to save a page as an image. Image may be cropped before saving.
Link: https://addons.mozilla.org/en-US/firefox/addon/3408

Verizon Minutes Used
Displays your current minute usage, including peak, off peak and text messages.
Link: http://verizon-minutes-used.blogspot.com/

TwitterFox
Lets you view and keep up with your twitter account.
Link: http://www.naan.net/trac/wiki/TwitterFox
< < < THE FOLLOWING ADD-ONS ARE PRIMARILY FOR WEB DEVELOPERS AND TECH MINDED USERS > > >

HTML Validator
Validates HTML and other web related files.
Link: https://addons.mozilla.org/en-US/firefox/addon/249

Colorzilla
Quickly snag the color of an item, image or page to its #XXXXXX hex value and copy to the clip board. Also useful to view the div id and class associated with HTML elements on a page.
Link: https://addons.mozilla.org/en-US/firefox/addon/271

MeasureIt
Quickly measure widths and heights within a web page. Includes a nifty ruler.
Link: https://addons.mozilla.org/en-US/firefox/addon/539

Live HTTP Headers
View and log both sent and received HTTP header requests. Useful for debugging dead links and monitoring page activity.
Link: https://addons.mozilla.org/en-US/firefox/addon/3829

ShowIP
Shows the IP address(s) of the server your currently viewing pages from.
Link: https://addons.mozilla.org/en-US/firefox/addon/590

Server Spy
Shows the Server name of the server your currently viewing pages from.
Link: https://addons.mozilla.org/en-US/firefox/addon/2036

User Agent Switcher
Quickly switch between common user agents and create your own. Great for testing Mod Rewrite scripts or getting into IE only detecting web sites.
Link: https://addons.mozilla.org/en-US/firefox/addon/59

Web Developer
Adds a menu and a toolbar with various web developer tools. Includes a similar MeasureIT utility but it does not include a ruler.
Link: https://addons.mozilla.org/en-US/firefox/addon/60

Do you have a Firefox extension you want to recommend to me?