Designing QR Codes for Print: Business Cards, Posters and Packaging

A QR code that works perfectly on screen can fail on paper for reasons that have nothing to do with the code itself: a margin invaded by the design, a glossy finish that reflects light, a curved surface or ink that is too light. If you are going to print business cards, flyers, posters, labels or packaging, this guide will help you integrate the code into the design so it always scans first time.

The quiet zone, the most overlooked detail

The quiet zone is the free margin around the code. It lets the scanner tell where the code ends and the rest of the design begins. The standard recommends a margin of 4 modules (the size of one small square multiplied by four) on all four sides.

In practice, many designers place text, lines or colored backgrounds right up against the code, and that is where problems start. Simple rule: treat the code and its margin as a single block and do not place anything inside that margin.

Placement within the design

• Visible but not intrusive: people should find the code without searching, but it does not have to be the main element.
• Close to the call to action: place text next to the code explaining what it offers: “Scan to see the catalog”, “Scan and book”.
• Away from folds and trim edges: on folded flyers, the code should not sit on a fold. On cards, leave at least 3 mm (1/8 in) between the code and the trim edge.
• At a comfortable height: on posters, between 1 and 1.5 meters (3-5 ft) from the floor.

Business cards

• Minimum size of 2 × 2 cm (0.8 in).
• Short content: a brief URL or a vCard with the essential details.
• On the back, with clean space around it.
• If you add a logo, raise error correction to level H and increase the size slightly.

Flyers

• A minimum size of 2.5 to 3 cm (1-1.2 in).
• On the side with the contact information or the offer.
• With a call to action that gives a reason to scan: a discount, a video, the full catalog.

Posters

• Apply the 10:1 rule: the side of the code should be one tenth of the scanning distance.
• In the bottom right or center, where the eye finishes reading the message.
• Consider where the poster will go: behind glass, in a narrow corridor or on a busy street.

Packaging and labels

• Look for the flattest area of the package.
• On curved surfaces (bottles, cans, tubes), the code should not take up more than a third of the visible circumference; if it is wider, it will look distorted head-on.
• Avoid seams, joins and box folds.
• For products that are handled a lot or refrigerated, use error correction level Q or H.

Materials and finishes

Finish	Effect on scanning	Recommendation
Matte paper	Excellent	Ideal
Silk paper	Good	Suitable
Gloss lamination	Glare under lights	Avoid over the code
Spot UV varnish	May cause shine	Do not apply over the code
Metallic inks	Reflect light	Do not use for modules
Clear vinyl	Depends on background	Ensure a light background behind

Colors in print

• Use dark modules on a light background.
• For black, use 100% black rather than a rich black built from all four inks, which may print with misaligned edges.
• Avoid screens or very soft gradients in the modules: in print, halftone dots can confuse scanners.

File format

Give the printer the code as SVG, PDF or EPS. These vector formats keep edges sharp at any size. If you only have a PNG, make sure it has at least 300 dpi at the printed size. With the QRcrea QR code generator you can download your code in vector formats.

The final test

Before approving the design:

1. Print a proof at actual size on the same paper or material.
2. Scan it with several phones, including a budget one.
3. Test it under the lighting of the place where it will be used.
4. Check that the code’s destination works and is mobile-friendly.
5. For packaging, test the code once it is assembled on the product.

Checklist

• Is the code’s quiet zone clear?
• Is the size right for the scanning distance?
• Is the contrast sufficient?
• Is there a call to action next to the code?
• Does the finish avoid glare on the code?
• Is the file delivered in vector format?
• Has a real print been tested?

Frequently asked questions

Conclusion

Designing a QR code for print means taking care of details that go unnoticed on screen: margin, placement, material, finish and file format. Follow these guidelines and always do a printed test, and your codes will work on any medium. Create your print-ready code with the QRcrea QR code generator.