Free Dogecoin QR Code Generator
Before you print
How big should it be?
Rule of thumb: printed width ≥ scanning distance ÷ 10. Pick the surface above and the studio sizes the code for you, then checks the printed module size against what a press can actually hold.
SurfaceDistanceMin size
Sticker on a bottle15 cm15 mm
Table tent50 cm45 mm
Shop-window poster2 m200 mm
Billboard20 m2 m
Questions people actually ask
Dogecoin addresses start with D, A, or 9. UseQR validates the shape and tells you exactly what to fix if it doesn't match.
Neither. UseQR is free forever with no account, no watermark, and no limits.
Yes: export SVG or PDF at any size. Use the size calculator to pick a printed width for the distance people will scan from.