Free face shape detector that runs entirely in your browser — your photo never leaves your device.
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FaceRuler Overview
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.
How to evaluate FaceRuler for ai detection workflows
FaceRuler is listed as a freemium ai detection AI agent with closed source access. Use this page to compare its core capabilities, practical use cases, pricing model, and alternatives before adding it to your workflow.
A strong first-fit use case is Find your face shape before choosing a haircut, especially if your team is shortlisting ai detection tools for a specific operational need.
Best-fit checks before choosing:
- Confirm that freemium pricing matches your expected usage volume.
- Compare FaceRuler with similar ai detection AI agents in the alternatives section.
- Validate the key capability: 478-point face landmark detection running fully in the browser.
FaceRuler Key Features
478-point face landmark detection running fully in the browser
Face shape classification across seven shapes
PSL 0–8 score with a percentile ranking
Eight metric readings, from facial thirds to canthal tilt
No upload, no account, no photo storage
FaceRuler Use Cases
Find your face shape before choosing a haircut
Pick glasses frames that suit your facial proportions
Understand what each facial metric actually measures
Compare your score against a published, documented scale
Re-check proportions over time from the same angle
Quick Facts
CategoryAI Detection
IndustryHorizontal
AccessClosed Source
Pricing
Freemium
StatusStandard · New
ListedOct 15, 2026
Popularity8%
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