As a result of user feedback more features have been added to Google's Swiffy, an experimental tool to convert Flash to HTML5, but it remains in beta.

Enhancements to Swiffy since we reported  its release in June include support for SWF features:

• Shape tweening.
• Drop shadow, blur and glow filters for browsers with SVG filter support
• ANSI and Shift JIS encoding
• _global variables
• SWF 6 function definitions
• Bevel and Adjust Color filters
• #initclip blocks and Object.registerClass()
• The MovieClip.onLoad event

and most recently initial support for ActionScript 2.0 inheritance. Fixes over the same period also mean that images now work in Firefox.

In addition Swiffy has become easier to use. You can now convert files of up to 1MB, and you'll get a QR code to preview the output on a mobile device.

Google has also clarified that you can host the Swiffy runtime (the JavaScript file that controls the animation) yourself if you need to.

Originally part of the now defunct Google Labs, Swiffy now has its own home:

www.google.com/doubleclick/studio/swiffy

(g.co/swiffy for short) but it is still in beta and may still not be able to convert all Flash files, something its team is continuing to work on.

More Information

Swiffy

Gallery of SWF files

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Google's Swiffy does Flash to HTML5