Download and install the latest version of Filestar.
Right click on one or more Pfm file(s) on your desktop and select Convert with Filestar.
Type convert to g3 in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i photo.pfm -c "convert to g3" (how).
Let your AI agent convert Portable Float Map to G3
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 Portable Float Map files in my Downloads folder to G3”
Or run it yourself:
filestarcli -i photo.pfm -c "convert to g3"
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 Portable Float Map to G3?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.pfm -c "convert to g3" on your computer, so your files stay on it.
Portable Float Map, an uncompressed high-dynamic-range raster image format that stores each pixel as 32-bit floating-point values, in colour (PF) or greyscale (Pf).
Fax image created in the CCITT Group 3 compressed format, which is used for digital transmission of fax data and supports 1 bit per pixel; can be viewed by programs such as GIMP and IrfanView.
