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.PGM File Extension
TIP: Run a free scan for .PGM file extension errors.
| File Type |
Portable Gray Map Image |
| Popularity |
 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 |
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Mac OS |
 Netpbm
Adobe Photoshop with CartaPGM plug-in
Editable with a text editor
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| Updated 2/10/2010 |
 Fix file extension .PGM errors. |
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