Convert cals to rgbo

  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 rgbo in the search box.

  4. Press Convert.

  5. Or let an AI agent do it: filestarcli -i photo.cals -c "convert to rgbo" (how).

Let your AI agent convert CALS to RGBO

Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.

Install Filestar and add it to your agents:

npm install -g filestar
filestarcli agent install

Then ask your agent:

“Convert the CALS files in my Downloads folder to RGBO”

Or run it yourself:

filestarcli -i photo.cals -c "convert to rgbo"

Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.

Can my AI agent convert CALS to RGBO?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.cals -c "convert to rgbo" on your computer, so your files stay on it.

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .cals and .rgbo?

Extension
.cals
.rgbo
Format
Binary
Category
Raster Image
Other
Developer
United States Department of Defense (DoD)
Adobe Systems
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.
Format for representing colors in the three primary colors (red, green and blue), each of which has 255 gradations. In contrast to the standard RGB, it allows you to change the transparency of the entire image using the opacity parameter.
MIME Type
image/cals
image/x-rgbo

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