FOSL optical transfer

Move a file between two devices as light. No network is involved in the transfer, and nothing is uploaded — both halves run on the device. Run the device-local receiver bench · Test multi-bit glyph designsweb-2026-08-12-js-workers.

Make the code at least as large as the dashed box.
Recovered goodput · last 30s Peak –
0/–blocks recovered
0unique symbols accepted
0camera frames examined
0%frame yield
–session elapsed
–session goodput
0 B/srolling goodput (5s)
–peak rolling goodput
Idle. Tap “Start camera”.
Camera telemetry Not started
Actual stream– Processed rate– Valid decode rate– Estimated sender– First lock– Code density– Current optical mode– Decode pipeline– Camera modes–