No specific info about version 3.1. Please visit the main page of Bluesky Frame Rate Converter on Software Informer.
Batch convert gif files to swf files and extract gif image serial.
Converts SWF to GIF format with high quality, also allows batch conversion.
An application that allows you to convert GIF files to Flash SWF file
Convert nearly all the popular video formats to Zune MP4, MPEG-4, WMV.
This application allows you to convert video files into 3GP files.
This program helps you convert videos into the Mp4 format.