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QR Code Generator (Text / WiFi / vCard)

Generate QR codes for URLs, WiFi credentials, and vCard contacts. Custom colors, download PNG or copy straight to clipboard.

Text hoặc URL

Màu QR

Màu nền

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Nhập nội dung bên trái để tạo QR

3 most useful QR types

📝 Text/URL: landing page, Google Maps location, social link
📶 WiFi: guests scan and connect — no need to type the password
👤 vCard: print on a business card / email signature — scan saves to Contacts

Print at least 2cm × 2cm. Longer content → denser QR → needs to be printed bigger.
Contrast matters: red-on-cream is OK; yellow-on-white may fail older scanners.
Always test scan before printing/posting.