Quick Answer
For all printed materials (business cards, flyers, packaging, hoardings), always use Vector SVG. For purely digital web use (websites, email signatures, mobile screens), PNG is suitable. SVG files scale infinitely to any print size with zero pixelation or blur, ensuring smartphone camera sensors can resolve module boundaries sharply.
The Core Technical Difference: Raster vs Vector
<rect>, <path>). When printed at 2 inches or 20 feet, the printer rasterizes the exact geometry at its maximum native DPI (dots per inch), resulting in perfectly sharp edges.Prepress & Commercial Printing Requirements
Commercial offset and digital print shops require crisp vector artwork to prevent dot gain and registration blur on physical presses:
When Is PNG the Right Choice?
PNG remains the standard format when placing QR codes into digital media where vector rendering is not supported by legacy email clients or presentation decks (e.g. PowerPoint, Word docs, email newsletters, or social media graphics).
How to Export Clean Vector SVGs from QRnaly
In QRnaly Studio, select your target design style, color palette, or custom logo, and click Download SVG. You receive a production-ready vector file that you can hand off directly to your prepress team or graphic designer with confidence.