GEM Raster

File Format
Name	GEM Raster
Ontology	Electronic File Formats Graphics GEM Raster
Extension(s)	.img

Overview

GEM Raster (or GEM Bitmap, or GEM Bit Image) is an image file format primarily associated with GEM Paint and Ventura Publisher, and used mostly on Atari ST systems.

Identification

Files begin with hex bytes 00 01 00 08 or 00 01 00 09.

Specifications

• http://www.fileformat.info/format/gemraster/spec/index.htm

Software

• Netpbm

Sample files

• http://www.fileformat.info/format/gemraster/sample/index.htm

Resources

• GEM Raster File Format Summary
• Format of GEM bitmap