Black & White Path

Aug 1, 2026 · Frontend Development

Transfer Files Without Wi‑Fi or Bluetooth Using Screen‑Flashing QR Codes

Decimen Optical Transfer lets two devices exchange files by flashing QR‑code streams from a screen to a camera, eliminating the need for Wi‑Fi, Bluetooth or shared networks, and achieves up to 186 KB/s with a lightweight pure‑Web implementation.