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Convert cals to g4

  1. Download and install the latest version of Filestar.

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

  3. Type convert to g4 in the search box.

  4. Press Convert.
convert cals to g4

What is the difference between .cals and .g4?

Name
CALS Raster Graphic File
Group 4 FAX
Extension
.cals
.g4
Format
Binary
Binary
Category
Raster Image
Fax
Developer
United States Department of Defense (DoD)
Computer Fax Systems (CFS)
Description
The CALS Raster Graphic File, having the extension .cals, is a type of image file format primarily used for the storage and exchange of digital images, especially in the context of technical and engineering documents. Developed in the mid-1980s by the United States Department of Defense, the CALS format was part of an initiative to standardize electronic document management and interchange, particularly for military and government applications.
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/cals
image/g4fax
Sample
sample.cals
Wikipedia
.cals on Wikipedia

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