Articles
QR Code Error Correction: Why Damaged Codes Still Scan
The four error-correction levels explained — how much of a QR code can be missing or covered and still work, and which level to pick for print.
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How to Make a QR Code for a Website
Turn any URL into a scannable QR code in under a minute — what to enter, how to download it, and where the limits are.
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QR Codes for WiFi: Let Guests Join Without Typing a Password
Encode your network name, password, and security type into a single scannable code — how it works and the one privacy trade-off to know.
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QR Codes on Business Cards
Add a vCard QR to a business card so contacts are saved in one tap — what to include, how small you can print it, and what to leave out.
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What Is a QR Code?
A plain-language explanation of what QR codes are, how a phone reads them, and why they encode more data than a barcode.
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