Download and install the latest version of Filestar.
Right click on one or more Sfd file(s) on your desktop and select Convert with Filestar.
Type convert to ufo in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.sfd -c "convert to ufo" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
Music
.sfdContract.sfd
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert SFD to UFO
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 SFD files in my Downloads folder to UFO”
Or run it yourself:
filestarcli -i file.sfd -c "convert to ufo"
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 SFD to UFO?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.sfd -c "convert to ufo" on your computer, so your files stay on it.
SFD (Spline Font Database) is the native, text-based source format of the FontForge font editor. It stores a font's glyph outlines, metrics, kerning, OpenType tables and editing state, so a font can be reopened and edited losslessly and then exported to TrueType, OpenType, WOFF or Type 1.
UFO is a font file format developed by Tal Leming for use by font editors. It is a cross-platform, open source format that stores font data in an XML format, allowing for greater flexibility and accessibility of font data.
