Most modern video converters support both Shockwave SWF and AVI formats and thus can perform conversion between those two formats, or conversion to some other format. Try to use Freemake Video Converter or any of the available converters which typically support most common video file formats.
Open SWF file Open AVI fileA video converting tool for macOS / OS X
Any DVD Converter Pro is an all-in-one DVD ripper, video converter and audio extractor
A Shockwave Flash converte
A DVD ripping software package
A multifunctional media converter for Windows
One of the many video converters available
A fully-featured video converter for Mac
A fully-featured video conversion program
Universal All Purpose Free Media, Audio & Video Converter Player Recorder
A multimedia conversion software
One of the many video conversion programs
A video converter software
Video converting software