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Filtered by: Standards × 3 posts
A central QR code connected to contact, location, WiFi, payment, and document payloads.
Ahmad Tayyem, founder of QRLynx. Ahmad Tayyem
· July 1, 2026 · 6 min read

QR Code Payload Formats: Exact QRLynx Syntax by Type

See the exact payload QRLynx creates for URL, phone, SMS, email, contact, calendar, WiFi, location, Bitcoin, Ethereum, UPI, and Pix QR codes.

TechnicalQr code basicsStandards
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QR code patterns increasing in density from a small version to a larger version.
Ahmad Tayyem, founder of QRLynx. Ahmad Tayyem
· May 16, 2026 · 8 min read

QR Code Versions Explained: Version 1 to Version 40

Understand QR Code Versions 1 to 40, module dimensions, capacity by data mode, error-correction tradeoffs, physical sizing, and how generators choose a version.

TechnicalQr code basicsQr code design
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QR code structure, encoding details, and a phone scan illustrating the ISO standard.
Ahmad Tayyem, founder of QRLynx. Ahmad Tayyem
· May 16, 2026 · 5 min read

ISO/IEC 18004:2024 Explained, and How QRLynx Uses It

Understand ISO/IEC 18004:2024, QR structure, versions, masking, error correction, decoding, and the complete QRLynx creation and testing workflow.

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