It has been an easy transition for me from Safari to Firefox—the extendability (is that a word?) of Firefox was the selling point. The ease of use, the interface, everything about it is, in my opinion, pretty darn spiffy. To show just how much of a true geek I am, I thought I’d pass on three Firefox extensions I can’t do without.

First and foremost is the Web Developer Extension, by Chris Pederick. From the site:

The Web Developer extension adds a menu and a toolbar to the browser with various web developer tools.

Some of the things it offers:

• CSS
  The CSS features provide various tools related to the CSS on the page including displaying the styles applied to the selected element and live editing of the CSS.
• Outline
  The outline features allow the outlining of various elements including block level and positioned elements.
• Resize
  The resize features provide the ability to resize the window to pre-defined or custom sizes and to display the current window size.

Next is MeasureIt by Kevin Freitas. Need to find out the size of something on your monitor? Just measure it with this great extension. You draw a box around the element you want the size of and it tells you in pixels what it is. How great is that?

Finally, there’s SessionSaver. From the site:

SessionSaver is an extension for Firefox and the Mozilla Suite that will automatically keep track of your browser windows and tabs and restore them exactly as they were across browser sessions. Not even crashes can faze it: window positions, tab histories, cookies, scrolling and text in text boxes - all are saved. SessionSaver can also save individual sessions for future recall.

Yep, so those are three extensions that help me in my day to day of developing websites. I hope you find them as useful as I have.

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