SWFMixer utility

SWFMixer utility can display tags inside flash movie (SWF) and extract compiled scripts bytecode

SWFMixer displays tags and resources inside flash movie (.SWF) to help you analyze its content.

SWFMixer main window

SWFMixer utility is included into SWF Scout ActiveX/NET programming library

Check the tutorial: Implementing complex bytecode extracted actionscripts using SWFMixer and SWF Scout library