FaceRuler app performs facial analysis entirely in browser for privacy, no data upload.

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FaceRuler is a web application that analyzes facial features and provides attractiveness scores without uploading photos to external servers. All processing occurs locally in the user's browser using MediaPipe's FaceLandmarker technology compiled to WebAssembly. The application calculates facial metrics including shape classification, symmetry measurements, and proportions based on 478 facial landmarks detected from uploaded images. This client-side approach addresses privacy concerns common in facial analysis tools by ensuring personal photos never leave the user's device. The system generates reproducible scores through deterministic geometric calculations rather than artificial intelligence models.

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