AERO_QR

Create a code

Slug

Destination URL

Title

Campaign

The printed QR encodes the short URL, never the destination — that indirection is what lets you re-point an already-printed code.

Slug	Title / campaign	Destination	Scan context	Updated
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Destination URL

Changing this re-points every printed copy of the code, immediately.

Title Campaign Ref parameter name Inject scan context into the destination

Adds ?<ref>=<per-scan token>, aq_slug and aq_campaign so a submitted lead can be joined back to this scan.

Error correction PNG module size (px) PNG DPI tag

Print: use the SVG — it is vector and cannot pixelate. Keep the white quiet zone, print at 25mm or larger, and do not stretch it non-uniformly.