PGF (Portfolio Graphics)

PGF is an uncompressed bi-level image file format used on the Atari Portfolio palmtop computer. The image dimensions are always 240×64 pixels.

Format
Files have no header, and are exactly 1920 bytes in size. As the images are monochrome, only one bit is needed per pixel, or eight pixels per byte.

Software

 * Konvertor
 * RECOIL
 * XnView
 * http://www.atari-portfolio.co.uk/library/pages/tx-graphics.html
 * Rest7 Online Image Converter

Sample files

 * http://www.atari-portfolio.co.uk/library/pages/tx-pgf-img.html
 * https://telparia.com/fileFormatSamples/image/pgf/