QR code guides & notes

Practical, no-fluff guides on making QR codes that actually scan — plus notes on how QR Brand is built.

• Oct 4, 2026 · 7 min read

  How to add a QR code to an image (4 easy ways)

  Step-by-step: add a QR code to a photo, poster or social post with QR Brand, Canva, Photoshop, or Word — and how to make sure it scans.

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• Oct 4, 2026 · 6 min read

  Static vs dynamic QR codes: which should you use?

  What's the difference between static and dynamic QR codes, why “free” dynamic codes can stop working, and how to choose.

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• Oct 4, 2026 · 6 min read

  How big should a QR code be? The complete size guide

  Minimum QR code sizes for business cards, flyers, posters and billboards, the 10:1 distance rule, and how data and DPI affect size.

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• Oct 4, 2026 · 7 min read

  QR code not working? 9 reasons and how to fix them

  Troubleshoot a QR code that won't scan: contrast, size, quiet zone, inverted colors, expired dynamic codes, and more.

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• Oct 4, 2026 · 5 min read

  Can you put a logo in a QR code? Error correction explained

  How QR error correction lets you add a logo without breaking the code, how big the logo can be, and design rules that keep it scannable.

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• Oct 4, 2026 · 8 min read

  How we built a 100% client-side image tool with Next.js

  Architecture notes from QR Brand: canvas compositing, batch ZIP and PDF export in the browser, code-splitting, and SEO for a client-side app.

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• Feb 9, 2026 · 5 min read

  We built the QR tool we couldn't find

  Place, brand, export — and never upload a byte. Why we built a privacy-first batch QR placer.

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• Feb 9, 2026 · 4 min read

  Interesting QR code facts

  Where QR codes came from, how they work, and why they're everywhere now.

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