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Barcode Generator

Generate barcodes in various formats with customizable line width, height and display options

Enter text or numbers according to the selected format

Select the barcode encoding format

Width of barcode lines, range 1 - 5

Height of the barcode, range 50 - 200 pixels

Whether to display the encoded text value below the barcode

Preview

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Barcode Generator Tool Guide
Tool Introduction

This is a free online barcode generator that supports multiple barcode formats including CODE128, CODE39, EAN13, UPC, and more. Customize line width, height, and choose whether to display text values. All processing is done locally in your browser to protect your privacy.

Usage Steps
  1. Enter the text or numbers to encode in the input field
  2. Select a barcode format (e.g., CODE128, CODE39, EAN13, etc.)
  3. Adjust line width and height parameters to control barcode appearance
  4. Choose whether to display the text value below the barcode
  5. Click the generate button to create the barcode, then download as PNG
Frequently Asked Questions
👥这个工具适合哪些人？

This tool is suitable for developers, designers, content creators, and individuals or businesses who need to handle related tasks.

🎯使用本工具你能得到什么结果？

Using this tool, you can quickly obtain high-quality processing results, improve work efficiency, and ensure the professionalism and accuracy of output content.

📋Use Cases
Product Management

Create barcode labels for products for easy sales and inventory management

Mobile Apps

Provide core functionality support for mobile applications and optimize user interaction experience

Logistics Tracking

Use barcodes to track product inventory and sales records

Warehouse Management

Create barcode labels for shipping documents and packages

Asset Management

Create barcodes for equipment and assets for easy identification and management

💡Best Practices
Standard Selection

Choose appropriate barcode standards to ensure compatibility with scanning devices

Data Encoding

Reasonably encode data content to balance information volume and barcode complexity

Size Adjustment

Adjust barcode size according to usage scenarios to ensure scanning effect and aesthetics

🔧Technical Details
Encoding Standards

Support multiple barcode encoding standards including QR Code, Code 128, EAN-13, etc.

Error Correction

Built-in error correction mechanism ensures barcode readability even under certain damage conditions

⚠️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
Q: 这个工具安全吗？
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。
Q: 支持哪些文件格式？
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。
Q: 有使用限制吗？
A: 工具完全免费，无使用次数限制。但请合理使用，避免滥用。
Barcode Generator - Free Online Barcode Maker, Multiple Formats