FAQ
What a visual proof can say, and what a phone scan still has to confirm.
Does a visual pass mean a phone will scan it?
No. The checker explains risk: quiet zone, contrast, and size. It does not promise a scan. Error correction on the generated symbol is level M.
What is the sample symbol?
The sample URL is version 4, 33 modules, a 4-module quiet zone, and 32.8 mm wide at 0.8 mm per module. Contrast on the default dark-on-light pair is about 18.9:1.
How should I print the test sheet?
At 100 percent scale. The sheet shows 15, 20, 25, 30, and 40 mm. Fit-to-page makes those captions false.
What should I watch on a poster?
Keep the quiet zone off the headline and off the trim. The preview reports the gap in CSS pixels of this page. Measure the print with a ruler.
Is this the QR generator people search for?
It draws a symbol so you can proof a print. The large US search volume in the plan is for generators, not for this print check. Scan the paper with a phone before a press run.
Are the ads part of the symbol?
No. Units are labeled Advertisement and are hidden when you print. Vignette is Auto ads only and is not drawn on the page.