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Sfsym

Show HN: Sfsym – Export Apple SF Symbols as Vector SVG/PDF/PNG

32 AI Score
Show_hn Added Apr 18, 2026

Details

Total Funding
$0
Last Round
$0

About

I found myself reaching for SF Symbols&#x27; &#x27;Copy Image As…&#x27; quite often during agentic design sessions, so I made a command-line tool that the agent can use by itself. It exports Apple SF Symbols as SVG, PDF, or PNG.<p>The vector paths come directly from macOS&#x27;s symbol renderer. Internally it reaches a private ivar on NSSymbolImageRep to get the CUINamedVectorGlyph, draws into a CGPDFContext, then walks the PDF content stream back out as SVG `d` commands. The output matches what the system draws, rather than an approximation traced from rasters.<p>A few things about it:<p>- Every subcommand accepts `--json`, and `sfsym schema` returns a machine-readable description of the whole CLI. - Symbol enumeration reads the OS&#x27;s Assets.car BOM tree, so the list of 8,300+ names stays current with macOS updates without a version table in the binary. - Each SVG `&lt;path&gt;` carries a `data-layer` attribute, so you can retheme in CSS without touching geometry.<p>It&#x27;s been saving me a bunch of clicking. Please let me know if you have any other ideas for it.

AI Score Reasoning

Sfsym is a technically clever developer utility for the Apple ecosystem, but it lacks the characteristics of a venture-scale startup. While the integration of private APIs for high-fidelity vector extraction is impressive, the project faces significant platform risk from Apple and serves a very narrow niche with potential licensing hurdles.

Source

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