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Convert phm to pgm

  1. Download and install the latest version of Filestar.

  2. Right click on one or more Phm file(s) on your desktop and select Convert with Filestar.

  3. Type convert to pgm in the search box.

  4. Press Convert.

What is the difference between .phm and .pgm?

Name
Portable Half Float Map
Portable Gray Map Image
Extension
.phm
.pgm
Format
Binary
Binary
Category
Raster Image
Raster Image
Developer
Laslo Hunhold
Jef Poskanzer
Description
An FF file is an image saved in the farbfeld image format. It contains an uncompressed image that can be compressed using a variety of image compression formats.
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.
MIME Type
image/x-farbfeld
image/x-portable-graymap
Sample
sample.phm
sample.pgm
Wikipedia
.pgm on Wikipedia

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