Printing QR Codes: Format, Margin, and Checklist
Good printing results depend on a sufficient margin, clear contrast, and a suitable output format. SVG stays sharp at any size, while PNG works well for digital or fixed-size output.
Read the guideQR code guides
Clear explanations about QR code size, printing, error correction, privacy and the limits of static codes. Every page links to the matching QRWerk tool.
QR Code Size: What Really Matters When Printing
The right QR code size depends mainly on scan distance and pattern density. That's why a practical test with the final medium matters more than a generic centimeter figure.
Read the guideQR Code Error Correction: L, M, Q, and H Explained
The error correction levels L, M, Q, and H define how much redundancy a QR code contains. A higher level can help when damage is expected, but it doesn't automatically make the code better.
Read the guideQR Code Not Working: Checking Causes Systematically
If a QR code isn't being recognized, first check contrast, quiet zone, size, and focus. After that, check the payload, logo, output quality, and the target app.
Read the guideDo QR Codes Expire? Static and Dynamic Explained
Static QR codes have no expiration date set by QRWerk. The encoded information stays in the pattern, but a linked destination address may no longer be reachable later on.
Read the guideStatic or Dynamic QR Code?
A static QR code contains the destination content directly and can't be changed by QRWerk after printing. A dynamic service usually uses an editable redirect, but depends on the service, contract, and tracking involved.
Read the guideQR Code Privacy: What Happens in the Browser
In the audited version of QRWerk, QR payloads and logo files are processed in the browser. Browser network and storage checks did not find the entered sensitive values in outgoing requests or persistent storage.
Read the guideHow to Scan QR Codes: Camera, Image, and Safety
Many smartphones can recognize QR codes directly in the camera app. Before opening the result, you should check the displayed destination; QRWerk explains scanning but isn't itself a built-in scanner.
Read the guideCreating a QR Code for a PDF: Encode the URL, Not the File
A QR code normally contains the URL to the PDF, not the entire file. The PDF has to stay reachable at that address; QRWerk doesn't upload or host PDF files.
Read the guideHow to Create a QR Code With a Logo the Right Way
A logo shouldn't cover too many important QR modules. What matters is high contrast, a clear quiet zone, suitable error correction, and testing the final export.
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