Barcode Generator
Generate CODE128, EAN-13 and CODE39 barcodes with custom colors and sizes
条形码内容与配置
CODE128 支持ASCII字符，EAN-13需输入12-13位数字，CODE39支持大写字母和数字
条形码预览
输入内容后自动生成条形码
About this tool
The barcode generator produces several common formats:
- CODE128: all ASCII characters, letters, digits and symbols, the most versatile and widely used in logistics and warehousing
- EAN-13: a 13-digit retail product code with an automatically calculated check digit
- CODE39: uppercase letters and digits, simple and common in industry and healthcare
Features
- Bar width from 1 to 5 pixels and height from 40 to 200 pixels
- Custom foreground and background colors
- Optional quiet zone
- Optional human readable text below the bars
- Live preview and one-click PNG download
- EAN-13 check digit calculated for you
When to use it
- Product packaging codes
- Warehouse and logistics labels
- ISBN codes for books
- Event tickets
- Asset management systems
Format comparison
| Format | Character set | Typical use |
|---|---|---|
| CODE128 | ASCII 32 to 126 | Logistics, warehousing, general |
| EAN-13 | Digits 0 to 9 | Retail product codes |
| CODE39 | A to Z, 0 to 9, some symbols | Industry, healthcare, books |