Blog
Practical guides and tips for QR codes.
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What Is Quishing? How QR Code Phishing Works and How to Stay SafeApr 8, 2026Quishing is phishing via QR codes. Learn how attackers use fake QR codes to steal credentials, how to spot a malicious QR code, and how to protect yourself.
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vCard QR Code: Create a Digital Business Card That Works OfflineMar 31, 2026How to create a vCard QR code that saves your contact info directly to someone's phone. Includes the full vCard format, examples, and best practices.
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Barcode vs QR Code: Key Differences and When to Use EachMar 31, 2026Barcodes and QR codes look different and solve different problems. Here's what each one does well, their data limits, and which to choose for your use case.
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QR Code Data Capacity Reference: All 40 VersionsMar 30, 2026Complete capacity tables for all 40 QR code versions -- max characters for numeric, alphanumeric, byte, and kanji at every error correction level.
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QR Code Tracking Without Compromising PrivacyMar 23, 2026How to track QR code scans without harvesting personal data from your users.
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How to Add a Logo to Your QR CodeMar 21, 2026Use high error correction and a design tool to overlay your brand mark without breaking scannability.
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Dynamic vs Static QR Codes: What's the Difference?Mar 18, 2026When you need a redirect layer and when a direct-encoded URL is the better choice.
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How to Test if Your QR Code Actually WorksMar 15, 2026A quick checklist for verifying QR codes before you print them on 5,000 flyers.
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QR Codes for Restaurant Menus: Setup GuideMar 12, 2026The right way to create, print, and maintain QR menu codes for your restaurant.
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Creating WiFi QR Codes: Connect Without Typing PasswordsMar 8, 2026Generate a QR code that lets guests join your network with a single scan.
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QR Code Best Practices for Print MaterialsMar 5, 2026Size minimums, contrast requirements, and placement tips for flyers, posters, and packaging.
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QR Codes for Business Cards: A Complete GuideMar 1, 2026What to encode, how big to print, and vCard formatting tips for professional cards.
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Free QR Code Generators: What to Watch Out ForFeb 23, 2026Tracking scripts, daily limits, watermarks, and other traps in "free" QR tools.
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Custom QR Code Colors: Design Tips That Actually WorkFeb 16, 2026How to pick foreground and background colors that look good and still scan reliably.
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QR Code Sizes: What Resolution Do You Need?Feb 9, 2026Pixel dimensions for web, print, and large-format use cases with concrete recommendations.
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QR Code Error Correction Levels ExplainedFeb 2, 2026L, M, Q, and H demystified: what each level does and when to use it.
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PNG vs SVG: Which Format for Your QR Code?Jan 26, 2026Raster vs vector formats and how to choose the right one for your project.
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How to Create a QR Code in 10 SecondsJan 12, 2026Step-by-step walkthrough of generating your first QR code with qrmake.dev.
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A Brief History of QR CodesJan 5, 2026From Toyota's factory floors in 1994 to ubiquitous smartphone scanning today.