This (free) extension is a wrapper for the jQuery plugin FitText by Dave Rupert: http://fittextjs.com/
FitText makes font-sizes flexible. Use this extension on your fluid or responsive layout to achieve scalable headlines that fill the width of a parent element.
More information:
http://www.wysiwygwebbuilder.com/fittext.html
You can download the new extension via the Extension Manager: Menu->Tools->Extension Manager->Online Gallery->Miscellaneous
Note:
This is an extension from my private collection. It is shared "AS IS".
If you find my (free) extensions useful and would like me to continue to make improvements or create new extensions, then please consider making a PayPal donation:
http://www.wysiwygwebbuilder.com/donate.html