Send

Choose content, select a realistic QR profile, and keep the entire white quiet zone visible.

Choose a file or prepare text.
Tiny text automatically uses one static QR. For large files, Standard is easiest to scan; Double and Quad trade code size for higher throughput.

Animated QR stream

Every QR packet is self-describing. Double and Quad show different packets at the same time.

Sequence-
Package-
Transfer mode-
Expected-
Source blocks-
QR payload-
Rate target-