- Extension
- .pgm
- .isobrl6
- Format
- Binary
- Category
- Raster Image
- Other
- Developer
- Jef Poskanzer
- Braille Institute of America
- Description
- A PGM file is a grayscale image file saved in the portable gray map (PGM) format and encoded with one or two bytes (8 or 16 bits) per pixel. It contains header information and a grid of numbers that represent different shades of gray from black (0) to white (up to 65,536). PGM files are typically stored in ASCII text format, but also have a binary representation.
- ISO/TR 11548-1 BRaiLle 6 dots is a file type used to store text in a special format that is readable by a Braille printer. It is intended to be used to create tactile materials for the visually impaired.
- MIME Type
- image/x-portable-graymap
- application/braille-6dot
