Swiffy is a small tool from Google that converts Flash files to HTML5 for use on non Flash player devices.You can upload SWF file and Swiffy will convert it to HTML5 file which can be displayed on all modern browsers “with a high level of SVG support such as Chrome and Safari.”
Swiffy is available on Google Code is currently more an experimental thus cannot covert all Flash files but does great with ads and animations. There are examples of SWF converted files available on the project’s page.
This is very important move on the part of Google to wean the web off the proprietary Flash format. It will also be interesting to see what Apple- an avowed Flash critic- thinks of this move from a fierce competitor.