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Filtered by: Qr code basics × 5 posts

A central QR code connected to contact, location, WiFi, payment, and document payloads.

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

A hand holding a plain cotton tote bag against a dark green panelled wall beside a leafy plant.

Ahmad Tayyem

· May 16, 2026 · 6 min read

How to Scan a QR Code on Windows: Camera, Screenshot, or PDF

Scan a QR code on Windows with the Camera app or decode a screenshot, clipboard image, PDF, batch folder, or webcam using the free QRLynx browser scanner.

Qr code scannerWindowsMicrosoft

A person at a laptop browsing a grid of hand-lettering designs, with pink anemones in a vase beside them.

Ahmad Tayyem

· May 16, 2026 · 3 min read

Bing QR Code Scanner: What Microsoft Supports on Windows

Use Windows Camera to scan a QR in front of your webcam, or open QRLynx in Edge to decode screenshots, saved images, batches, and live camera scans.

BingMicrosoftQr code scanner

QR code patterns increasing in density from a small version to a larger version.

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

QR code structure, encoding details, and a phone scan illustrating the ISO standard.

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.

TechnicalStandardsIso