OFFICEBC条形码生成（Code128 / EAN / UPC / PDF417）

ℹ️ License notes: PDF417 / Code 128 / Code 39 / ITF-14 are open standards (PDF417 = ISO/IEC 15438; Code 128 = ISO/IEC 15417) and are free for any use. EAN / UPC codes are managed by GS1 — this tool is for learning, testing, and personal use only. For commercial product labels, please apply to GS1 for official codes.