👨‍💻

Ahmed K.

Founder & Lead Engineer

About the Author

Expertise

Software Engineering, Web Performance & Security

Ahmed leads technical architecture and tool development at AKSTOOL, focusing on building ultra-fast, privacy-first web utilities.

All content produced by this author adheres strictly to our Política editorial, ensuring you receive trustworthy information.

Articles & Guides by Ahmed K.

Cómo funcionan realmente los códigos QR: una guía técnica completa para 2025

Los códigos QR están en todas partes, pero muy pocas personas entienden cómo codifican los datos, por qué los códigos dañados aún se pueden leer o qué hace que un código bien diseñado sea realmente diferente de uno mal diseñado. Esta guía lo cubre todo.

2024-08-12 • 12 min read

Riesgos de seguridad de los códigos QR que debe conocer en 2025 (y cómo mantenerse seguro)

Los códigos QR se han convertido en vectores de ataques de phishing, distribución de malware y recopilación de datos. Así es como se ven realmente las amenazas y cómo un escáner que prioriza la privacidad lo mantiene protegido.

2024-12-09 • 13 min

Cómo crear códigos QR para su negocio en 2025 (con ejemplos reales)

Desde los menús de las mesas de los restaurantes hasta los envases de productos, los códigos QR se han convertido en una infraestructura empresarial esencial. A continuación se explica cómo crear códigos QR eficaces y rastreables que realmente conviertan.

2025-04-22 • 11 min

Corrección de errores del código QR: por qué su código funciona incluso cuando está dañado

La genialidad detrás de los códigos QR es que aún se pueden escanear incluso cuando están parcialmente cubiertos o dañados. Aquí está el algoritmo Reed-Solomon que lo hace posible.

2026-06-15 • 9 min

Menús con código QR para restaurantes: la guía de configuración completa

Desde el diseño hasta la impresión y la experiencia del cliente: todo lo que los propietarios de restaurantes necesitan saber para implementar correctamente los menús con códigos QR.

2026-06-27 • 10 min

Diseño de códigos QR: cómo crear códigos que sean escaneables y bonitos

La marca y la capacidad de escaneo no son mutuamente excluyentes. Aquí se explica cómo personalizar los códigos QR sin romperlos.

2026-07-09 • 9 min

Códigos QR vs NFC: ¿Qué método de pago sin contacto es mejor?

Las tiendas y restaurantes ofrecen cada vez más opciones de pago mediante QR y NFC. Funcionan de manera diferente y se adaptan a diferentes escenarios.

2026-07-21 • 9 min

Cómo los profesores utilizan los códigos QR en el aula (con ejemplos reales)

Desde hojas de trabajo interactivas hasta comunicaciones instantáneas para padres, los educadores de todo el mundo han encontrado formas creativas de integrar la tecnología QR en la enseñanza.

2026-08-02 • 10 min

Uso de códigos QR para la gestión de inventario: una guía para pequeñas empresas

Las hojas de cálculo y las etiquetas adhesivas no se escalan. El seguimiento de inventario basado en QR es más rápido, preciso y económico de lo que piensa.

2026-08-14 • 11 min

QR Codes in Real Estate: Modern Marketing & Property Listings

How real estate agents are using QR codes to bridge the gap between physical yards and digital tours.

2026-08-26 • 10 min

Dynamic vs Static QR Codes: The Ultimate Comparison for Businesses

Understand the difference between static and dynamic codes, and why editing destinations matters.

2026-09-07 • 10 min

How to Track QR Code Scans: Analytics, UTMs, and Privacy Compliance

A complete guide on measuring user engagement from QR codes while respecting user privacy rules.

2026-09-19 • 10 min

Phishing via QR Codes (Quishing): How to Spot Malicious Scans

Security best practices for scanning QR codes safely in public and protecting your digital identity.

2026-10-01 • 10 min

QR Codes for Event Ticketing: Securing Entry and Preventing Fraud

How event organizers utilize cryptographic QR codes to secure entry tickets and speed up lines.

2026-10-13 • 10 min

How to Generate High-Resolution QR Codes for Billboards and Print

Tips on output sizes, vector formats, and design rules when printing QR codes at massive scale.

2026-10-25 • 10 min

QR Codes in Healthcare: Patient Tracking, Prescriptions, and Security

How modern clinical practices integrate QR codes for fast registration and secure patient charts.

2026-11-06 • 10 min

Wi-Fi QR Codes: How They Work and How to Set One Up for Guests

Sharing your internet connection using a secure QR code. Step-by-step instruction and security tips.

2026-11-18 • 10 min

QR Codes on Product Packaging: Smart Labels and Customer Engagement

How retail brands are moving past standard barcodes to provide detailed product tracing and user manuals.

2026-11-30 • 10 min

The Future of QR Codes: 3D, Color, and Augmented Reality Integrations

A look ahead at next-generation matrix codes, color layouts, and interactive AR experiences.

2026-12-12 • 10 min

Integrating QR Codes into Email Marketing: Best Practices for CTR

Why combining emails with scan prompts is boosting mobile click-through rates for major brands.

2026-12-24 • 10 min

How to Use QR Codes on Business Cards: What to Include and Avoid

Upgrade your physical networking with digital contact cards (vCards) accessed via a quick scan.

2027-01-05 • 10 min

QR Codes for App Store Downloads: Directing Users to iOS and Android Apps

Simplifying app installations using multi-destination smart links wrapped in a QR code.

2027-01-17 • 10 min

QR Codes for Feedback and Surveys: Boosting Customer Response Rates

How restaurants and service businesses collect customer reviews in real-time using QR placements.

2027-01-29 • 10 min

Branding with QR Codes: Customizing Shapes without Losing Scannability

How to alter modules, backgrounds, and eyes while staying within the Reed-Solomon correction margins.

2027-02-10 • 10 min

QR Codes for Digital Art and NFTs: Connecting Physical and Digital Canvas

How artists and galleries use QR codes to link physical paintings to digital ownership records.

2027-02-22 • 10 min

How to Scan a QR Code from a Screenshot or Photo on Your Phone

Step-by-step instructions for reading QR codes that are already stored in your camera roll.

2027-03-06 • 10 min

QR Codes in Logistics and Supply Chain: Tracking Inventory in Real-Time

Why warehouse operations are shifting from legacy RFID and barcode tech to cost-effective QR grids.

2027-03-18 • 10 min

The History of the QR Code: How Denso Wave Revolutionized Data Scanning

The fascinating origin story of the Quick Response code in the Japanese automotive manufacturing sector.

2027-03-30 • 10 min

QR Codes for Contactless Tipping: Helping Service Workers in 2027

How digital tipping platforms are using QR codes to simplify tips for servers and valets.

2027-04-11 • 10 min

Why Your Phone's Default Camera Fails at Scanning QR Codes (And the Fix)

Analyzing focus distances, lens distortion, and why dedicated decoding engines outpace built-in tools.

2027-04-23 • 10 min

Using QR Codes for WiFi Sharing: Security Implications for Homes and Offices

The security pros and cons of printing and mounting your Wi-Fi credentials as an open QR poster.

2027-05-05 • 10 min

QR Codes in Museums: Interactive Exhibitions and Digital Tour Guides

How modern galleries enrich visitors' experiences with multi-language audio guides accessed via scans.

2027-05-17 • 10 min

How QR Codes are Revitalizing Print Media and Magazine Advertising

Bridging the gap between static paper pages and active, trackable digital landing destinations.

2027-05-29 • 10 min

Optimizing QR Code Scan Rates: Placement, Size, and Call-to-Action Strategies

Practical rules on how high to position codes and what text to place next to them to guarantee scans.

2027-06-10 • 10 min

QR Codes for Two-Factor Authentication (2FA): Under the Hood of MFA Apps

How Google Authenticator and Authy utilize QR codes to securely seed time-based OTP keys.

2027-06-22 • 10 min

QR Codes for PDF Downloads: Direct Access to Menus, Ebooks, and Manuals

Best practices for linking printed materials straight to cloud-hosted document sheets.

2027-07-04 • 10 min

Scanning Damaged, Dirty, or Low-Contrast QR Codes: Tech Behind the Lens

How local scanner libraries process pixels to decipher scratched, wet, or low-light codes.

2027-07-16 • 10 min

Building a Contactless Guestbook with QR Codes for Weddings and Events

A simple way to gather digital sign-ins and messages from guests at private functions.

2027-07-28 • 10 min

How QR Codes are Used in Modern Smart Cities: Transit, Tourism, and Safety

From bus stop schedules to emergency neighborhood updates, how cities are connecting streets.

2027-08-09 • 10 min

Running QR Code Coupon Campaigns: A Checklist for Local Retailers

How to drive offline retail customers to online checkout stores with scanned discount vouchers.

2027-08-21 • 10 min