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Printing and scanning
Sizes, margins, contrast and the fixes for codes that refuse to scan on real materials.
Artikel
- Your QR code will not scan: the checklistWork down this list in order — the first three causes account for most failures we see.7 Min. Lesezeit
- How to read a QR code from an image or screenshotA QR code on your own screen can't be scanned by the phone you are holding. Here is how to decode it from the file itself, see the exact destination before opening it, and tell a static code from a dynamic one.5 Min. Lesezeit
- What size should a QR code be for print?The short answer is one tenth of the reading distance — but payload length, quiet zone and file format decide whether that size actually scans. Here is the full method, with a print-ready export at the end.7 Min. Lesezeit
- QR codes on product packaging and labelsPackaging is printed once, in huge runs, on curved and shiny surfaces. Here is how to size, place and future-proof the code before the press runs.8 Min. Lesezeit
- QR codes on vehicles and outdoor signsThe outdoor rules: real sizes by reading distance, the parked-vehicle truth, weatherproofing, and what to print next to the code so people can still reach you.8 Min. Lesezeit
- How to create QR codes in bulk from a spreadsheetOne CSV, one run, one ZIP of named vector files — plus how to decide between the free batch tool and a dynamic bulk import.5 Min. Lesezeit