- Extension
- .pnm
- .jpc
- Format
- Binary
- Binary
- Category
- Raster Image
- Raster Image
- Developer
- Jef Poskanzer
- Joint Photographic Experts Group
- Description
- The PNM (Portable Any Map Image) file format is a subset of the broader Netpbm format, designed for storing various types of digital images. It acts as an umbrella term for three specific types of grayscale, color, and black-and-white images, represented by PBM (Portable Bitmap), PGM (Portable Graymap), and PPM (Portable Pixmap) formats respectively. PNM files are known for their simplicity and ease of conversion to other image formats.
- Image format that uses JPEG 2000 advanced wavelet compression; supports color depths of 8, 24, and 32 bits per pixel; also supports grayscale, RGB, YCbCr, XYZ, and Lab color spaces.
- MIME Type
- application/x-portable-anymap
- image/jp2
