Image Edge Detector
Turn any photo into a line-art edge map using Sobel edge detection.
How to use
Upload an image, adjust the edge sensitivity, then download the line art. Everything runs in your browser — no uploads, your files never leave your device.
Frequently asked questions
What is edge detection?
It finds places where brightness changes sharply and draws them as glowing lines.
What can I use it for?
Line-art bases for drawing, technical illustrations, and artistic effects.
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