Download and install the latest version of Filestar.
Right click on one or more Cat file(s) on your desktop and select Convert with Filestar.
Type show in the search box.
Press Run.
Or let an AI agent do it: filestarcli -i photo.cat -c "show" (how).
Let your AI agent show CAT
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:
“Use Filestar to show CAT in my Downloads folder”
Or run it yourself:
filestarcli -i photo.cat -c "show"
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 show CAT?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.cat -c "show" on your computer, so your files stay on it.
The CAT file type, associated with Photomatix, is a proprietary file format used by Photomatix software, which is a popular tool for creating and editing high dynamic range (HDR) images. This file format is specifically designed to store data and settings used during the HDR photo editing process, such as tone mapping and exposure blending options. By saving a project as a CAT file, users can preserve their editing workflow, allowing for easy revisiting and adjustment of HDR images at any point in the future. This makes the CAT file format an essential asset for photographers and digital artists who frequently work with HDR imaging in Photomatix.
