Browser-based QR Payload Encoder

Generate a QR stream locally.

Choose a file, render a compatible QR or HC2D GIF locally, and save it as payload.gif.

Generator workspace

Choose a payload, adjust the settings, render locally.

Payload

No file selected

The selected file stays local in the browser.

Local processing: the selected file is processed in this browser and is not uploaded to the QR-log Bridge server. Encrypt confidential payloads before transfer where required.

Effective settings

Protocol

QR Layout

Frame duration 50 ms

Monitor performance and smartphone performance both influence the maximum transfer rate. 50 ms is a good compromise for most devices.

QR box size 5 px

QR border 9 modules

2x2 spacing 110 px

Source block size 2917 bytes

V9 repair overhead 30%

Fountain interleaving Distribute the cycle across the stream

Choose file

Progress

Choose a file to begin.

No generation started yet.

Preview appears here after generation.

Generate a QR stream locally.

Choose a payload, adjust the settings, render locally.

Prepare a stream without installing tools.