How to print QR code wey go scan well
QR puli ·
Pick SVG, PNG or PDF, make sure say you leave the QR quiet zone, and test the size, contrast, and scan distance before you print menus, cards, or event signage.
Pick the correct file
SVG dey keep the code sharp even if you resize am for any design tool wey fit am. PNG dey work well if you export am with enough pixels for the final print. The PDF option go create A4 or A6 print card. Make the code square; if you stretch one side, the grid go spoil.
Make your own custom QR code for freeMake sure say the space around am clear
Leave empty quiet zone for all four sides. The QR Code specification talk say make you leave four modules of clear space, where one module na one grid cell. No cut that border or put text, textures, or logo for top of am. Make any text wey dey your print layout dey outside the QR square.
Size depend on the actual design
No single size dey guarantee say every code go scan. If the data heavy, dots small, logos dey there, printer quality no good, or scanning distance long, you fit need larger prints. Shorten the destination URL if you fit, use clear background, and check the printed dots make sure say dem no smear or get gaps.
Test the final object
Print one sample for the correct size. Scan am with different phones, under the light and from the distance wey people go use. Try am inside any plastic cover or glossy paper. If software fit read am, na good thing, but e no fit solve wahala from reflection, fold, or if restaurant dark.
Reference: DENSO WAVE QR Code guidance (go open for new tab)
Create your QR code