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QR Code Format Reference: Exact Syntax for Every Type

Ahmad Tayyem

· July 1, 2026 · 9 min read

QR Code Format Reference: Exact Syntax for Every Type

The exact string every QR code type encodes: URL, WiFi, vCard, email, SMS, geo, calendar, and crypto, UPI, and PIX payments, with real examples and specs.

TechnicalQr code basicsStandards

How to Scan a QR Code on Windows (PC, Laptop, Surface)

Ahmad Tayyem

· May 16, 2026 · 9 min read

How to Scan a QR Code on Windows (PC, Laptop, Surface)

Windows has no native QR scanner. How to scan QR codes from screenshots, webcam, or printed material on Windows 11/10 and Surface, without a sketchy app.

Qr code scannerWindowsMicrosoft

Bing QR Code Scanner: Microsoft Edge & Copilot (2026)

Ahmad Tayyem

· May 16, 2026 · 9 min read

Bing QR Code Scanner: Microsoft Edge & Copilot (2026)

How Microsoft QR scanning works, Bing app visual search, Edge mobile QR reader, and Copilot image understanding, and where each fits in your workflow.

BingMicrosoftQr code scanner

QR Code Versions Explained: From V1 (21×21) to V40 (177×177)

Ahmad Tayyem

· May 16, 2026 · 11 min read

QR Code Versions Explained: From V1 (21×21) to V40 (177×177)

Every QR code is one of 40 versions defined by ISO/IEC 18004. Capacity tables for V1 through V40, the module-count math, and how to pick the right version

TechnicalQr code basicsQr code design

ISO/IEC 18004: The QR Code Standard, Explained (2026)

Ahmad Tayyem

· May 16, 2026 · 9 min read

ISO/IEC 18004: The QR Code Standard, Explained (2026)

ISO/IEC 18004, the international QR code standard. How QRs encode data, how they're structured, how scanners decode them, error correction explained.

TechnicalStandardsIso