- Extension
- .pgm
- .wmz
- Format
- Binary
- Binary
- Category
- Raster Image
- Vector Image
- Developer
- Jef Poskanzer
- Microsoft
- 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.
- A WMZ file is a Windows Metafile (.WMF) compressed with GZIP. Microsoft Office and Visio save vector graphics this way to reduce their size. Windows Media Player skins also use the .wmz extension, but those are ZIP archives and are a different format.
- MIME Type
- image/x-portable-graymap
- application/x-msmetafile
