Download and install the latest version of Filestar.
Right click on one or more Hcom file(s) on your desktop and select Convert with Filestar.
Type convert to sph in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.hcom -c "convert to sph" (how).
Documents - File Explorer─☐✕
This PC › Documents
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Desktop
Downloads
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Pictures
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.hcomContract.hcom
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert HCOM to SPH
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 HCOM files in my Downloads folder to SPH”
Or run it yourself:
filestarcli -i file.hcom -c "convert to sph"
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 HCOM to SPH?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.hcom -c "convert to sph" on your computer, so your files stay on it.
Macintosh HCOM files. These are Mac FSSD files with Huffman compression.
Waveform audio file created in the NIST SPHERE format, which is often used in speech recognition research; often contains a recording of a person speaking; can be provided as input to speech recognition systems.