02 · Receiver

Receive a file

Capture the transmitter through a webcam, decode every QR per frame, and reassemble chunks by sequence number across cycles. The file only downloads if its SHA-256 matches.

Capture

Camera

A full camera list appears after the first capture (browser permission).

Decoder grid hint (jsQR fallback only)

Native BarcodeDetector ignores this and finds all codes automatically.

decoder · —

Start capture and aim at the transmitter screen

waiting for META frame…0%

Chunks

0/ ?

Goodput

0.0kbps

ETA

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Detections