SVG vs PNG for Barcodes
Why SVG barcodes stay scannable at any size while PNG risks blurred bars.
Bar Precision Matters
Barcodes depend on precise bar widths for reliable scanning. SVG defines bars as exact vector rectangles that print sharp at any DPI, while a PNG barcode can blur bar edges when scaled, hurting scan rates.
- SVG bars print at exact widths, any DPI
- PNG bars can blur and misread when scaled
- Vector precision improves scan reliability
Practical Workflow
Generate barcodes as SVG for labels, packaging, and variable print sizes. Use PNG only for fixed-size on-screen display where scaling won't occur.
- Labels and packaging → SVG
- Fixed-size screen display → PNG acceptable
- SVG integrates cleanly into print templates
Frequently Asked Questions
Will a PNG barcode still scan?
Usually, if printed at its native resolution — but scaling a PNG barcode blurs the bars and can cause scan failures, which SVG avoids entirely.
Why do print shops prefer SVG barcodes?
SVG keeps bar widths mathematically exact at any size, so the printed barcode stays within tolerance and scans reliably.
Related guides
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