If you are looking for a way how to convert normal bitmap image (lfor example .jpg files) to an embroidery design file used in Compucon/Singer PSW sewing machines (.xxx) you have to use some of the special embroidery digitizing programs that allow users to convert images to embroideries, which is usually covered under digitizing functions.
Open JPEG file Open XXX fileAn embroidery designs manager
An embroidery design tool from Janome
An embroidery digitizer
An easy embroidery and apparel decoration design software