Convert gm to png

What is the difference between .gm and .png?

Description: The GM file type, associated with Autologic, is primarily used in the context of graphic design and publishing. It is a format developed by Autologic, a company known for its solutions in the printing and typesetting industries. These files contain graphic data, which could include layout information, images, and possibly text, used in the preparation of documents for printing or electronic publication. The GM format is specific to Autologic systems and software, catering to professional publishing workflows.; A PNG file is an image file stored in the Portable Network Graphic (PNG) format. It contains a bitmap of indexed colors and uses lossless compression, similar to a .GIF file but without copyright limitations. PNG files are commonly used to store graphics for web images.