Developer builds free browser-only face-rating app using MediaPipe, no uploads or API costs

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A developer built PSLRate, a facial attractiveness scoring app that runs entirely in the browser using MediaPipe's FaceLandmarker, which generates 478 3D facial landmarks per image without sending any data to a server. The free tier computes a 0–10 score based purely on facial geometry metrics such as symmetry, facial thirds, facial fifths, canthal tilt, and facial width-to-height ratio. Because all calculations are math performed on landmark coordinates client-side, there is no per-scan API cost and user photos never leave their device. A paid tier adds an LLM-generated personality and improvement reading, which does require a server-side API call and a one-time photo upload. The architecture was built with Next.js, and the MediaPipe model and WebAssembly files are self-hosted to avoid reliance on third-party CDNs.

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