PNG vs. SVG QR Codes: Which Format Should You Use?
Compare raster PNG and vector SVG QR exports for websites, office documents, professional print layouts, scaling, logos, and security review.
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Formats and scan reliability
Pick the right file format and size, and fix the usual reasons a code fails.
QR-Code Sizes: How Small or Large Should a Code Be?
Size a QR code from its module count, scan distance, printing limits, and surface rather than a single universal minimum.
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Why QR Codes Sometimes Fail to Scan
Diagnose QR scanning failures by separating detection, decoding, and destination problems, then fixing one variable at a time.
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