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 psb in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i photo.pfm -c "convert to psb" (how).
Let your AI agent convert Portable Float Map to PSB
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 PSB”
Or run it yourself:
filestarcli -i photo.pfm -c "convert to psb"
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 PSB?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.pfm -c "convert to psb" 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).
Format used for saving large Photoshop documents over 30,000 by 30,000 pixels in size; supports images up to 300,000 by 300,000 pixels; to enable .psb support, check the "Enable Large Document Format" within the File Handling pane of the Photoshop Preferences window
