Download and install the latest version of Filestar.
Right click on one or more Jfi file(s) on your desktop and select Convert with Filestar.
Type convert to sk in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i photo.jfi -c "convert to sk" (how).
Documents - File Explorer─☐✕
This PC › Documents
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Desktop
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.jfiContract.jfi
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert JFI to SK
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 JFI files in my Downloads folder to SK”
Or run it yourself:
filestarcli -i photo.jfi -c "convert to sk"
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 JFI to SK?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.jfi -c "convert to sk" on your computer, so your files stay on it.
Developed by y JPEG (Joint Photographic Experts Group), JFI files are used to transfer jpeg encoded data between computer platforms and programs. It contains a compressed bitmap image that will full palette.
This format is a vector images file in the Sketch Drawing program, which serves to edit and create interface designs, applications and software shells. SK-files contain objects and layers which can be edited independently of each other.