Face Shape Detector is a free online AI face shape detection tool. Its main purpose is to help users quickly identify their face shape from a front-facing photo, providing a reference starting point for hairstyle, glasses, makeup, and styling choices. No account registration is required to use it.
Main capabilities:
- Face shape detection: After uploading a clear front-facing photo, the tool compares facial length, cheekbone width, forehead width, and jaw width to identify the best-matching face shape and provides the closest result and one alternative result (when the face shape falls between two types).
- Supported face shapes: The description lists oval, round, square, heart-shaped, oblong, and more. The face shape guide section mentions that the detector compares against seven initial face shape contours and states that about 20%–30% of people are borderline cases.
- Measurement basis: The tool maps 478 facial landmarks in the photo and calculates the ratios among face length, cheekbone width, forehead width, and jaw width in actual pixels; all measurements are expressed relative to cheekbone width to avoid the result being affected by photo size or distance.
- Facial analysis tools in the same series: The website also provides eye shape detection (identifying eye shape, eyebrow shape, and eye spacing), nose shape analysis, facial age estimation (estimating an age range on the device), an AI attractiveness test (a facial proportion analysis for reference only), and more.
How to use:
- Upload a clear photo that is front-facing, evenly lit, shows as much of the face as possible, and has hair that does not cover the face;
- The tool analyzes facial proportions locally in the browser;
- View the results and use the face shape as a reference starting point for hairstyle, glasses, makeup, and styling.
Use cases:
- Finding suggestions for layers, volume, and parting that suit your face shape;
- Choosing glasses frame shapes that can balance facial proportions;
- Getting reference directions for makeup and grooming;
- Quickly learning about face shape, eye shape, nose shape, or facial proportions.
Limitations and notes:
- The tool clearly states that its analysis is not a scientific or medical measurement, nor is it a judgment of attractiveness;
- Face shape results are not always a single answer; about 20%–30% of people fall between two face shapes, and the tool displays both;
- Photos are processed only locally in the browser and are not uploaded to a server; after closing the tab, no photo or account is left behind;
- The front-facing pose check will flag tilted photos rather than guess;
- More information such as specific fees, pricing, and platform support is not yet provided.
