A cals file extension si related to the CALS Raster Group 1 image format.

Detailed description

Software that open cals file

Add comment

CALS file extension - CALS Raster Group 1 image format

What is cals file? How to open cals files?

File type specification:

Graphics file type icon Graphics file type

cals file icon: cals filetype icon

The CALS Raster File Format is a bitmap defined by the U.S. Department of Defense and intended for storing monochrome images.
There are two types of *.cals files:

1. Type 1: Stores a single image per file and data is always compressed using CCITT Group 4.

2. Type 2: Can store multiple images per file, the image data for each image can be subdivided into tiles, and each tile can be stored uncompressed, or compressed using CCITT Group 4.

Mime types:

This cals file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open cals file:

XnView MP icon

Pierre-Emmanuel Gougelet logoXnView MP  Multiplatform software

Company or developer:
Pierre-Emmanuel Gougelet

A free (for non-commercial purposes) powerful cross-platform media browser, viewer and converter. Compatible with more than 500 formats and also supports export to 70 different file formats. It works on Windows, Linux and macOS (OS X).

Help how to open:

Use XnView to open *.cals CALS Raster Group 1 images.

How to convert:

Possibly can be exported to other formats.

List of recommended software applications associated to the .cals file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open cals file, edit cals file, convert cals file, view cals file, play cals file etc. (if exist software for corresponding action in File-Extensions.org's database).

cals file viewer - programs that view cals file - CALS Raster Group 1 image format

Programs supporting the exension cals on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about XnView MP for view cals file action.


Previous file extension
CAL file extension

File-Extensions.org > Graphics file types

Next file extension
file extension CAM


Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed