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.PGM File Extension

TIP: Run a free scan for .PGM file extension errors.

File Type Portable Gray Map Image
Popularity 3 stars  Average
Category Raster Image Files
File Description Grayscale image file encoded with either one or two bytes (8 or 16 bits) per pixel; contains header information and a grid of numbers that represent different shades of gray from black (0) to white (up to 65,536); typically stored in ASCII text format, but also has a binary representation.

PGM files include a header that defines the PGM format type ("P2" for text or "P5" for binary), image width and height, and the maximum number of shades; while binary PGM files may contain multiple images, ASCII PGM files may only include one image.

PGM files may also be called "portable greymap" files.
Program(s) that open pgm files
Mac OS Mac OS Netpbm
Adobe Photoshop with CartaPGM plug-in
Editable with a text editor
Windows Windows Netpbm
Corel Paint Shop Photo Pro X3
Adobe Photoshop with CartaPGM plug-in
Editable with a text editor
Linux Linux Netpbm
Editable with a text editor
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Updated 2/10/2010 Star Fix file extension .PGM errors.
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