Free face shape detector that runs entirely in your browser — your photo never leaves your device.
FaceRuler measures a face from a single photo and returns the face shape (one of seven), a score on the PSL 0–8 scale, a percentile, and eight metric readings: symmetry, facial thirds, golden ratios, eye spacing, FWHR, jaw width ratio, canthal tilt and eye aspect. Everything runs in the browser with MediaPipe's 478-point face landmark model compiled to WebAssembly, so the photo never leaves the device. Scoring is deterministic geometry rather than a guess, so the same landmarks always produce the same report. Free, no sign-up, no upload.
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478-point face landmark detection running fully in the browser
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Face shape classification across seven shapes
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PSL 0–8 score with a percentile ranking
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Eight metric readings, from facial thirds to canthal tilt
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No upload, no account, no photo storage
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Find your face shape before choosing a haircut
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Pick glasses frames that suit your facial proportions
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Understand what each facial metric actually measures
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Compare your score against a published, documented scale
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Re-check proportions over time from the same angle
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