Download and install the latest version of Filestar.
Right click on one or more Exr 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.exr -c "reduce file size" (how).
Let your AI agent reduce EXR 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 EXR file size in my Downloads folder”
Or run it yourself:
filestarcli -i photo.exr -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 EXR file size?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.exr -c "reduce file size" on your computer, so your files stay on it.
Raster image stored in the OpenEXR format, a high dynamic-range (HDR) image file format developed by Industrial Light & Magic; supports multi-layer images, lossy and lossless compression, and 16-bit and 32-bit pixels; used for storing deep raster images for high-quality graphics; used by raster graphics editing programs and imaging applications.
