Browser-based QR Payload Encoder

Generate a QR stream locally.

Pick a file up to 4 MB, create the QR-log transfer GIF in the browser, and save it as payload.gif. Files above 1.5 MB may take longer to encode.

Generator workspace

Choose a payload, adjust the settings, render locally.

No file selected

The selected file stays local in the browser.

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 version 40

QR box size 5 px

QR border 9 modules

Source block size 2917 bytes

V9 repair overhead 30%

Automatic video capture Set the V9 capture flag

Capture margin 2.0x

Extra capture 100 ms

Choose file

Choose a file to begin.

No generation started yet.

Preview appears here after generation.