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Convert pfm-float to g4

  1. Download and install the latest version of Filestar.

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

  3. Type convert to g4 in the search box.

  4. Press Convert.

What is the difference between .pfm and .g4?

Name
Portable Float Map
Group 4 FAX
Extension
.pfm
.g4
Format
Binary
Binary
Category
Raster Image
Fax
Developer
Paul Debevec
Computer Fax Systems (CFS)
Description
Portable Float Map, an uncompressed high-dynamic-range raster image format that stores each pixel as 32-bit floating-point values, in colour (PF) or greyscale (Pf).
Group 4 (G4) used for black and white lossless compression to maintain high-quality images, commonly used in TIFF format compression by fax machines. A picture is seen as black dots and lines on a blank page; the fewer the dots and lines are, the lesser the file size.
MIME Type
image/x-portable-floatmap
image/g4fax

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