Plantar Foot Analysis
Made Simple

Upload a plantar (bottom-view) foot scan image, place measurement anchors, and instantly receive Clarke's angle, arch classification, and a printable clinical report.

Clarke's Angle Arch Index Pes Planus Detection

Reference Ranges

ParameterNormalFlat Foot
Clarke's Index31° – 45°< 31°
Chippaux-Smirak25% – 45%> 50%
Staheli Index0.5 – 0.7> 0.7
Arch Index0.21 – 0.28> 0.28

How It Works

1
📷

Upload Image

Upload a plantar scan or foot photo (JPEG, PNG). For best results use a top-down plantar view.

2
🎯

Place Anchors

Click to place 3 anchor points on the foot image to define Clarke's angle measurement lines.

3
📈

Get Angle

The system instantly calculates the angle and classifies the arch type with reference ranges.

4
📋

Generate Report

Download or print a professional clinical report with the annotated foot image and measurements.

Start Assessment

Drag & drop your foot image here

JPEG, PNG, WEBP — up to 10 MB

🔒 Images are processed locally on your server and are not shared externally.

Arch Classifications

Flat Arch
Pes Planus
< 31°

The arch touches or nearly touches the ground. Increased contact area visible in plantar scan.

Normal Arch
Neutral
31° – 45°

Clear concavity at the medial arch. Optimal load distribution across the foot.

High Arch
Pes Cavus
> 45°

Pronounced medial arch with minimal midfoot contact on plantar scan.