Code 128A Barcode Generator
Code 128 subset A encodes uppercase letters, digits and control characters only — ideal for fixed-format, uppercase data interchange.
Data length
可变长度
Character set
大写字母 / 数字 / 控制字符
Check digit
模 103（自动）
Typical uses
Industrial data interchange
Select barcode format
Press Tab after a value to add custom display text, or paste two columns (value, caption) straight from Excel.
Output
1 item(s)
Code 128A · Uppercase letters, digits and some symbols
Options
Foreground
Background
Barcode image API
/api/barcode/code128a/ABC-1234
The endpoint returns an SVG vector image usable directly in <img> tags.