Blog

QR code guides for design, formats & print

Technical articles on building scannable QR codes: color contrast, quiet zone, Wi‑Fi and vCard payloads, error correction, DPI, and proofing workflows—structured for search and implementation teams.

8/1/2025•10 min

QR Code Design Guide: Contrast, Quiet Zone & Error Correction for Reliable Scans

Learn how contrast ratio, quiet zone margins, and QR error correction levels affect scan success. Best practices for designing scannable QR codes for print and digital displays.

7/21/2025•11 min

QR Code Data Types Explained: URL, Wi‑Fi, vCard, SMS, Email & Calendar

Overview of common QR code payload types—website URL, Wi‑Fi network, vCard contact, SMS, email, and calendar events—and when to use each for marketing and operations.

7/5/2025•9 min

Print QR Codes Correctly: DPI, Size, Viewing Distance & Material Tips

Print-ready QR code guidelines: minimum resolution, physical size vs. scan distance, paper and finish choices, and proofing steps so codes scan from posters, packaging, and business cards.

4/8/2026•11 min

QR Code Scams & Quishing: How to Spot Fake QR Codes and Stay Safe Online

Learn how QR phishing (quishing) works, common scam tactics on parking meters and emails, and practical steps to verify a QR code before you scan or tap a link.

4/8/2026•10 min

Best QR Scanner Websites & Online Tools: Privacy, Speed & Features Compared

Compare top approaches to scanning QR codes in the browser: privacy-first local decoding, camera access, and what to avoid when choosing a QR scanner website in 2026.

4/8/2026•12 min

Dynamic vs Static QR Codes: Analytics, Cost & Use Cases for Businesses

Compare dynamic and static QR codes for marketing, menus, and operations: when to use editable destinations, how scan analytics work, and cost considerations for teams.

4/8/2026•10 min

QR Code Marketing in 2026: Campaign Ideas, Attribution & Creative Formats

Explore current QR marketing trends: connected packaging, personalized landing pages, first-party data, and how brands measure scans alongside clicks and impressions.

4/8/2026•11 min

How to Use QR Codes for Marketing: Placements, CTAs & Landing Page Best Practices

Step-by-step guide to using QR codes in marketing: define goals, pick placements, pair codes with clear CTAs, optimize mobile landing pages, and measure scans with UTMs or dynamic links.