ai to riff conversion is a curious case of graphics export between Adobe Illustrator graphics (AI) and Corel Painter software (RIF/RIFF). We do not have information about any converter for this, but supposedly Corel Painter allows import of AI files, thus enabling ai to riff conversion (resave) this way.
But except for this, there are no mentions about such export on the Internet, which means it's fair to assume no reliable alternative how to convert ai to riff exists.
Updated: January 5, 2024