QR Health Checker
Check a QR image for dimensions, margin and common readability risks.
Check QR health →Practical tools that help you create, check, print and publish QR codes without replacing the main generator.
Check a QR image for dimensions, margin and common readability risks.
Check QR health →Check foreground/background contrast before designing a QR.
Check contrast →Estimate a practical printed QR size from scanning distance.
Calculate size →Use a pre-print checklist for size, quiet zone, contrast and testing.
Run print checklist →Create multiple static QR codes from structured data.
Open bulk generator →Build and download a simple mobile landing page for a QR campaign.
Build a landing page →Create a shareable business card and QR experience.
Create business card →Scan QR codes from your camera or supported images.
Open scanner →Each tool below performs a distinct calculation, validation, conversion or planning task in your browser.
New dedicated builders and planning tools for social links, campaign URLs, print layouts, payloads and scan-readiness.