Answers
QR code problems, solved
Something broken? Start here. Each answer opens with the fix, then explains why.
Why won't my QR code scan?
A QR code usually won't scan because it's too small for the distance, too low-contrast, has its quiet-zone margin cropped, or i...
Why is my QR code blurry when printed?
A QR code prints blurry when it's scaled up from a low-resolution image. Export it as an SVG (which stays sharp at any size) or...
My QR code goes to the wrong page. How do I fix it?
If your QR code is editable (a dynamic code), you fix the wrong destination by repointing it from your dashboard, with no repri...
My QR code stopped working. Why?
A QR code that used to work and now leads nowhere almost always means the destination URL was moved, renamed, or taken down. Wi...
Can I change a QR code after printing it?
Yes, if it's a dynamic QR code. A dynamic code encodes a redirect you control, so you can change where it points anytime withou...
What's the difference between a static and a dynamic QR code?
A static QR code has the destination baked into its pattern and can never be changed or tracked. A dynamic QR code encodes a re...
QR code glossary
Every term in these answers, defined in one plain sentence.
Reference tables
Print sizes, error-correction levels, and the rest of the numbers.