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📱
QR Code Generator
Generate QR codes for text, URLs, contact information, and more. Customize size, colors, and error correction level.Input Text
二维码设置
M (中)
📖 Usage Guide
Step 1
Enter text, URL, or contact information.
Step 2
Customize QR code size and error correction.
Step 3
Download the generated QR code.
✨ Features
✨
Generate QR codes for various content types.
✨
Support for text, URLs, and contact information.
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Customizable size and error correction levels.
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High-quality QR code generation with download support.
🔬Mini Tutorial
二维码生成技术This tool uses QR code generation algorithms to create scannable QR codes from text input. It supports various content types and provides customization options for size and error correction.
QR码原理QR码是一种矩阵式二维码，能够存储大量信息。它由定位点、数据区域和纠错码组成，具有高容错性和快速识别能力。
纠错级别QR码支持四个纠错级别：L(约7%)、M(约15%)、Q(约25%)、H(约30%)。级别越高，纠错能力越强，但存储容量相对减少。
应用场景二维码广泛应用于移动支付、信息分享、身份识别、营销推广等领域。它简化了信息传递过程，提高了用户体验。