QR Code Generator
Turn any text, link, or message into a scannable QR code, free, with no sign-up.
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What a QR code actually stores
A QR code doesn't connect to the internet or "know" anything — it's just a visual encoding of the exact text you give it. A URL QR code works because your phone's camera reads the text, recognizes it looks like a link, and offers to open it; the QR code itself is static once generated.
Why some QR codes fail to scan
Low contrast between the code and its background, a size too small for the amount of text encoded, or a low error-correction level with a damaged/glare-covered print are the most common reasons a scan fails. For text longer than a short URL, use the larger size option for a more reliable scan.