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生成条形码

生成符合国际商业标准的条形码图像，清晰度高，可直接用于印刷与贴标。

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1. Value

2. Format

3. Style

Bar width2px
Height100px

生成条形码

仓库管理、商品流通与快递单据制作的得力助手。

🔐 100% Private — Client-Side Execution

All processing happens inside your browser using WebAssembly and HTML5 Canvas. Zero file uploads, zero server tracking. Compliant with LGPD & GDPR.

常见问题解答

Which barcode format should I use?
CODE128 works for general text and numbers. EAN-13 and UPC-A are for retail products with fixed digit counts. CODE39 is common for inventory and ID badges. ITF-14 is used on shipping cartons.
Why did generation fail for my value?
Formats like EAN-13, UPC-A, and ITF-14 require an exact number of digits. If your input does not match, switch to CODE128, which accepts any text or number.
Can scanners read a barcode printed from a screenshot?
For best scan reliability, download the PNG and print it rather than scanning directly off a screen — screen glare and low DPI can cause misreads.
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