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Tool Introduction
This is a free online QR code generator that converts text, links, contact information, and other data into QR codes. Supports custom colors, logo embedding, and direct download of generated QR codes.
Usage Steps
- Enter the text or link you want to convert to QR code in the input field
- Choose the foreground and background colors for the QR code
- Optionally upload a logo image to embed in the center
- Click the generate button to create the QR code
- Download the generated QR code image
Usage Tips
Frequently Asked Questions
Important Notes
- Generated QR codes are completely free and can be downloaded unlimited times
- Please ensure QR code content is legal and compliant, containing no illegal information
- We recommend previewing the effect before generation to ensure logo and color combinations are reasonable
- Downloaded QR codes are in PNG format with transparent background support
👥这个工具适合哪些人？
The QR code generator is perfect for marketers, developers, businesses, educators, and individuals who need to digitize information sharing.
🎯使用本工具你能得到什么结果？
With this tool, you can quickly generate high-quality QR codes with custom styles and multiple content types, instantly obtaining QR codes suitable for marketing, payments, contacts, and other scenarios.
📋Use Cases
Web Development
Create QR code links for websites, apps, or mini-programs for convenient user access
Mobile Marketing
Generate marketing QR codes for product packaging, advertising materials, promotional activities
Social Sharing
Create convenient access codes for social media accounts, live streams, personal profiles
Payment Collection
Generate QR codes for payment accounts and payment links for convenient mobile payments
Contact Information
Convert business card information and contact details into QR codes for easy information exchange
💡Best Practices
Quality Settings
Select appropriate error correction level and size for QR code generation
Format Selection
Choose suitable output format (PNG, SVG, etc.) based on usage requirements
Size Optimization
Optimize QR code size for scanning while maintaining readability
🔧Technical Details
Encoding Algorithm
Uses QR code encoding standards with error correction and data compression
Quality Metrics
Ensures QR code readability and error correction capabilities for reliable scanning
⚠️使用注意事项
- 所有数据处理都在浏览器本地完成，不会上传到服务器
- 请根据实际需求选择合适的参数设置
- 建议在处理重要数据前先备份原始文件
- 如遇到问题，请刷新页面重试或联系技术支持
🤔常见问题
A: 完全安全！所有处理都在浏览器本地进行，不会上传任何数据到服务器。
A: 工具支持常见的文件格式，具体支持格式请参考工具介绍。
A: 工具完全免费，无使用次数限制。但请合理使用，避免滥用。