The Quickr Blog

Generate hundreds of QR codes from a CSV file in one click — completely free. No signup, no per-code fees. Download as a ZIP with Quickr's batch generator.

QR code won't scan? Here are 7 proven fixes — from size and contrast issues to damaged prints and camera problems.

What size should your QR code be? Minimum sizes for business cards, posters, packaging, and billboards. Plus SVG vs PNG and DPI recommendations.

Static QR codes encode data directly and never expire. Dynamic QR codes use redirects and require a subscription. Learn which type you actually need.

Create a WiFi QR code so guests connect instantly — no typing passwords. Free, works with any router. Step-by-step guide.

Large images slow down your site and hurt SEO. Learn the best formats, compression ratios, and tools to shrink images by 90% while keeping them crisp.