QR Codes on packaging: placement, contrast, and testing before the print run

Published by Lfcs Softwares · Updated 2026-10-20

Put the code on a flat, solid, high-contrast patch away from folds, with a blank margin of at least 4 modules and a size of about 2 × 2 cm or more. Link to a stable page and print a proof on the real material before the full run.

Where to put it

• On a flat area, away from folds, seams, glue flaps, and curves.
• Where the customer will see it with the package in hand.
• With blank space around it: at least 4 modules (4 small squares) on every side.

Size

Start at about 2 × 2 cm for a handheld pack and go larger for shelf-distance scanning. Read best QR Code size for print.

Contrast and color

• Dark dots on a light background scan best.
• Do not print on a patterned or photo background. Put the code on a solid patch.
• Be careful with metallic, glossy, and transparent materials.

More in QR Code colors and contrast.

What it should link to

Choose a stable, mobile-friendly page such as a product page, instructions, or support. Because packaging is printed in large runs, remember a static code cannot be edited later. Use an address you will keep.

One code per product

If each product has its own page, generate all codes at once from a list. See bulk generating QR Codes from a CSV.

Test before the print run

1. Print a proof on the real material and finish.
2. Scan with two phones, in dim and bright light.
3. Scan a curved or creased sample if the package can bend.
4. Check the link opens correctly.

Export a vector or large file for the printer: see PNG vs SVG vs PDF. You can make the code free with the StyloQR Chrome extension.

Frequently asked questions