QR Code Guides
Practical tips for creating QR codes that scan reliably, look professional, and work for your specific use case.
Printing & Design
How to Add a Logo to a QR Code Safely
Add your brand logo to a QR code without breaking scannability. Covers size limits, error correction, placement, and testing.
PrintingPNG vs SVG: Which QR Code Format to Use
Compare PNG and SVG formats for QR codes. Learn when to use each format for print, web, and different design workflows.
PrintingBest QR Code Sizes by Format
Recommended QR code dimensions for business cards, flyers, posters, packaging, and digital screens. Size chart included.
PrintingBest Colors for QR Codes That Still Scan
Choose QR code colors that match your brand without breaking scannability. Includes contrast rules, colors to avoid, and dark mode tips.
PrintingPrint QR Codes That Actually Scan
Learn the exact settings for printing QR codes that scan reliably every time. Covers resolution, size, contrast, and material choices.
PrintingHow to Test a QR Code Before Printing
A step-by-step testing checklist for QR codes. Verify scanning, content, and print quality before committing to production.
PrintingWhy QR Codes Fail to Scan (and How to Fix It)
Diagnose and fix the most common reasons QR codes do not scan. Covers size, contrast, damage, data density, and device issues.
Use Cases
QR Codes for Events and Conferences
Use QR codes for event check-in, schedules, feedback, and networking. Practical guide with placement ideas and size recommendations.
Use CaseQR Codes for Product Packaging
Add QR codes to product packaging for instructions, authentication, reviews, and customer engagement. Covers placement, sizing, and regulatory use.
Use CasevCard QR Code for Business Cards
Add a vCard QR code to your business card so contacts can save your info instantly. Covers what to include, sizing, and design tips.
Use CaseWiFi QR Code for Your Airbnb
Create a WiFi QR code for your Airbnb listing. Guests scan to connect instantly — no typing passwords. Free setup guide.
Use CaseWiFi QR Code for Cafés and Restaurants
Set up a WiFi QR code for your café or restaurant. Reduce staff interruptions, improve guest experience, and keep your network secure.