Convert cals to epi

What is the difference between .cals and .epi?

Name: CALS Raster Graphic File; Adobe Encapsulated PostScript Interchange Format

Description: The CALS Raster Graphic File, having the extension .cals, is a type of image file format primarily used for the storage and exchange of digital images, especially in the context of technical and engineering documents. Developed in the mid-1980s by the United States Department of Defense, the CALS format was part of an initiative to standardize electronic document management and interchange, particularly for military and government applications.; Adobe Encapsulated PostScript Interchange Format (EPI) is a vector image file format used to store and interchange vector graphics and text. It is an extension of the popular Encapsulated PostScript (EPS) format and is used as a container for bitmap images and other data. EPIs are used for high-resolution printing and digital publishing.