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How to put a circular QR (round QR code generator) on a printable freebie or coupon: size, quiet zone, contrast, and a claim URL at qrb.dev/f/{CODE} — not a tiny gray stamp.
Farmers-market and cottage packaging: when the Qrblox freebie QR belongs on the jar lid versus a hang card, and how a claim page at qrb.dev/f/{CODE} keeps the extra honest.
Put one round QR on a sticker or photocard so the scan opens a Qrblox claim page (qrb.dev/f/{CODE}) with live N left — not your personal number or DMs.
Round QR code generator and circular QR code generator are the same Qrblox tool — dots fill the circle. When to pick round vs square, and how to make one that scans.
Use the Qrblox round QR code generator (also a circular QR code generator) for lids, tins, caps, and stickers — print specs so a round QR still scans.
Use the free Qrblox round QR code generator — the same circular QR code generator — then follow size, contrast, and quiet-zone rules so the round QR still scans.
