LaunchLab field guide

Make QR codes that still work after they leave the screen

These guides focus on the decisions that happen after generation: choosing the right code type, preparing artwork, testing real scans, protecting visitor data, and knowing when a dynamic code earns its cost.

Written and reviewed by LaunchLabUpdated September 13, 2026
Decision guide

Static vs. dynamic QR codes

Choose based on what may change, what needs measurement, and how long the printed item must remain useful.

Quality control

QR code testing checklist

Run a repeatable preflight across phones, lighting, distance, print size, and destination behavior.

Technical guide

Error correction without the jargon

Understand L, M, Q, and H levels and why choosing the highest setting is not always the safest choice.

Print production

Printing on paper, plastic, glass, and fabric

Account for glare, texture, curves, folds, ink spread, and the surface surrounding the code.

Trust and safety

QR code privacy and security

Decide what information belongs inside a code and make destinations easier for scanners to trust.

Interactive tool

QR code size guide

Start with practical dimensions for cards, menus, flyers, table signs, and posters.