Free QR preflight
Run a quick preflight on the QR image you plan to print.
The file stays in your browser. We check whether it decodes, its pixel size, approximate contrast and whether the outer edge looks clear.
Local image check · No upload · PNG, JPG or WebPDecodeWaiting
Image sizeWaiting
Approx. contrastWaiting
Outer borderWaiting
What this does not prove
The final print still gets the last word.
This preflight samples pixels and attempts a browser decode. It cannot know the final physical size, printer quality, paper, lighting or viewing distance. Always scan a finished proof.