Font Fingerprint Test
Detect which fonts are installed, generate a stable hash, and see how identifying your typography stack is for trackers.
Fonts hash
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Detected fonts: 0
Why fonts matter
Your installed fonts reveal OS family, language packs, and even job role (design fonts vs coding fonts). Combined with canvas/WebGL, font lists make you highly unique.
Detected fonts
Top matches
Run the test to see installed fonts.
If exposed
Normalize
Use privacy modes that restrict font access or ship a virtual font list consistent with your UA/OS.
Consistency
Align with language
Fonts should match Accept-Language, locale, and platform. macOS-only fonts on Windows look fake.