SubsetFontMk

jp.opentype.SubsetFontMk · Utilities · v3.3.0

Intel Only 2 devices · 519.2 KB · Impact: 43/100

About This App

SubsetFontMk is a font subsetting utility for macOS that extracts specific characters or glyphs from TrueType and OpenType font files to create smaller, optimised font subsets. This is commonly used by web developers preparing fonts for web deployment (to reduce file size and bandwidth), by graphic designers managing large font collections, and by font developers testing and refining font files. The app takes a full font file and a list of required characters, then outputs a new font containing only those glyphs.

Versions Seen 1 version

v3.3.0

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https://www.google.com/search?q=SubsetFontMk+apple+silicon

We could not find reliable public information about SubsetFontMk — the app does not appear in mainstream Mac software databases, and there is no clear vendor site or recent release information available. Based on the bundle ID prefix (jp.opentype), this appears to be a Japanese-authored utility, but we cannot confirm whether a native Apple Silicon build exists or whether the project is still actively maintained. If you rely on this app, contact the developer directly to ask about Apple Silicon support and whether a native build is planned before macOS 28 ships in September 2028, since an Intel-only build will stop launching on that release. As alternatives, consider FontForge (free, open-source, and confirmed to run natively on Apple Silicon), Glyphs (commercial, actively maintained with native support), or web-based font subsetting tools like Font Squirrel's webfont generator — all of which are under active development and have confirmed Apple Silicon support.