We have found one software suitable in our database for this conversion.
Generally speaking, graphics patterns used in various editors like Photoshop, GIMP or similar are essentially just images as well, which means there should be no problem in converting such patterns to formats like IMG. Such pat to img conversion can also be one using various graphics converters, like the XnConvert.
Updated: November 10, 2022
A cross-platform batch image transcoder compatible with 500 picture image formats
PAT
Files with pat extension might also be saved graphical patterns for GIMP image editor.
IMG
Files with img file extension can also be commonly found as various bitmap images in more than dozen different formats, including ADEX, Erdas, GEM, Radiance, VICAR, Analyze etc.