ThunderSoft GIF to SWF Converter is the best software to batch convert gif files to swf files and extract gif image serial. Provide gif file frame by frame preview, and rich output setting, include SWF version, background color, frame rate, image format, image quality, etc. Both image and speed of the output animation are same as the original gif files. Key features Convert Gif, Png, Bitmap or JPEG files to SWF format. Allow batch convert with one click. Allow add background music. Supports command line conversion. Extract gif file to image serial(Png, Bitmap or JPEG files). Rich SWF file setting, include SWF version, size, background color, frame rate, etc. Output image setting, such as image format, image quality. The obtained SWF-movie can be linked to the specified URL. Both image and speed are same as original. Provide gif file frame by frame preview.