Download and install the latest version of Filestar.
Right click on one or more Ppm file(s) on your desktop and select Convert with Filestar.
Type reduce file size in the search box.
Press Run.
Or let an AI agent do it: filestarcli -i photo.ppm -c "reduce file size" (how).
Let your AI agent reduce PPM file size
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 reduce PPM file size in my Downloads folder”
Or run it yourself:
filestarcli -i photo.ppm -c "reduce file size"
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 reduce PPM file size?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.ppm -c "reduce file size" on your computer, so your files stay on it.
A PPM file is a 24-bit color image formatted using a text format. It stores each pixel with a number from 0 to 65536, which specifies the color of the pixel. PPM files also store the image height and width, whitespace data, and the maximum color value.