HD QR Code

Fix QR Codes Where Logo Blocks Critical Modules

Embedding a brand logo or custom emblem in the center of a QR code is popular for corporate identity, but it physically obliterates a portion of the data matrix beneath it. This works only because QR codes employ Reed-Solomon error correction to reconstruct missing codewords. If a designer uses default Level L (7% tolerance) or Level M (15% tolerance) while placing a large logo that covers 25% of the code, scanning will fail completely. Even with Level H (30% tolerance), an oversized logo leaves zero margin for error against camera glare, thumb shadows, or printing wear. Upload your logo-blocked QR code to recover the URL and regenerate a properly balanced branded code. Our repair engine automatically reconstructs your payload, upgrades the mathematical redundancy to Level H, and inserts a protective buffer pad that shields critical timing patterns and corner finder squares from artwork bleed.

Test with common real-world failure modes:

Upload Defective QR Code Image

Our computer vision engine extracts the raw payload and synthesizes a compliant vector replacement.

Local & Private
Did your QR code stop working after 14 days?

Many commercial QR generators secretly create dynamic redirects that route through their paywall. When their trial expires, your code breaks.

HD QR Code creates direct static codes where the destination is stored directly in the pixels. Static codes can never expire.

Pre-Press Evaluation & Readiness Score

Ensure your printed QR codes scan reliably on business cards, menus, flyers, and banners using the optical 10:1 camera distance rule and commercial 300 DPI standards.

Maximum Logo Area

≤ 20% of Surface

Preserves sufficient error correction reserve for real-world lighting glare.

Mandatory Correction

Level H (30%)

Essential error tolerance level whenever center artwork is embedded.

Protective Padding

Boundary Buffer

Prevents adjacent data modules from bleeding into the logo artwork.

Finder Pattern Rule

Keep Corners Untouched

The three outer corner squares must remain 100% free of graphics.

Scan-tested in your browser

Built on the ISO/IEC 18004 standard with zero paywalls.

No Expiration for Static Codes

Direct static encoding with zero redirect intermediaries.

Private by Design

Your QR content is processed in your browser and never uploaded.

Clear Answers

Frequently Asked Questions: Logo Too Large QR

Everything you need to know about static QR codes, browser processing, and print longevity.

The logo replaces functional data modules. If the error correction level is set too low (Level L or M), the code exceeds its mathematical error recovery budget.
QR Code with Logo Won’t Scan? Error Correction & Sizing Fix | HD QR Code