Real-time portrait matting

MODNet running in your browser via WebGPU or WASM. Frames never leave your device.

Live matteidle

Backend

Resolution

Dtype

Background

Composed output

Raw webcam

Alpha matte

WebGPU availableno

Model load time—

Frames processed—

Avg inference/frame—

Rolling FPS—

Decision matrix

FPS band	Verdict
>= 20 fps	Green light. Ship as real-time.
10-19 fps	Yellow. Process every 2-3 frames.
5-9 fps	Reframe as stop-motion background.
< 5 fps	Kill or replace the model.