Barcode Generator

This Barcode Generator is an online tool for generating barcodes, supporting multiple barcode formats including Code 128, EAN-13, EAN-8, UPC, Code 39, ITF-14, MSI, and more. It offers various customizable options including width, height, font size, margins, line color, and background color, enabling you to create personalized barcodes.

Why Are Barcodes the Foundation of Business Operations?

Barcodes are the global standard for retail, logistics, and inventory management, covering over 90% of product circulation scenarios (GS1 2023 report). They enable 1-second checkout at supermarkets (like Walmart systems), track food expiration dates, and reduce human errors by over 30%. This tool supports 7 international standards, accurately matching needs from small convenience stores to multinational warehouses.

Detailed Barcode Standards and Usage Scenarios

• Code 128:Highest encoding density (47 characters/inch), supports alphanumeric + special symbols (like $, %), 99.2% scan success rate.Typical Use: Logistics package labels (enter "UPS-123456789" to generate barcode, scans display tracking number). ⚠️ Note: Input data must have no spaces (like "UPS123456789")
• EAN-13： 13-digit international standard (first 3 digits country code + 4 digits manufacturer code + 5 digits product code + 1 digit checksum), covers 95% of global supermarkets. Typical Use: Product price tags (like "6901234567890" on milk cartons). ⚠️ Important: Tool generates test codes only. Commercial products require official codes from GS1 ([registration portal](https://www.gs1.org/))
• UPC-A： 12-digit North America specific, compatible with EAN-13 (UPC-12 = EAN-13 with leading 0), essential for US retail. Typical Use: US supermarket products (like "036000291452" for Coca-Cola). ⚠️ Difference: UPC has no country code, EAN-13 requires country code (like 690 = China)
• EAN-8： 8-digit compact version (EAN-13 shorthand), print size 50% smaller than EAN-13. Typical Use: Small product packaging (like "89012345" on gum boxes). ⚠️ Limitation: Only for products with width ≤ 3cm
• ITF-14： 14-digit shipping package code, must be used with EAN-13 (like carton label "01234567890123"), required by Amazon Logistics. Typical Use: Courier carton labels (scans automatically associate with product EAN-13). ⚠️ Key: ITF-14 itself doesn't contain product info, must be used with EAN-13
• Code 39： Low encoding density (28 characters/inch), supports alphanumeric only (no special symbols), 95% scan success rate. Typical Use: Factory equipment labels (like "ASSEMBLY-01"). ⚠️ Advantage: Simple to generate, suitable for offline environments
• MSI： Inventory code with checksum, 100% error detection rate (auto-validates input data). Typical Use: Warehouse shelf labels (like "RACK-001"). ⚠️ Use: Internal inventory management only, not for retail

Beginner's Guide: 3 Steps to Use Barcodes Correctly

• 1. Choose the Right Standard: Retail products → EAN-13; Logistics packages → Code 128; Small products → EAN-8
• 2. Input Data: Ensure no spaces/special characters (like "123456" not "123-456"), 13-digit EAN-13 needs checksum (auto-calculated)
• 3. Printing Tips: Use 300dpi laser printing + high contrast label paper (avoid inkjet blur), scan success rate reaches 99%

Frequently Asked Questions (FAQ)

Industry Application Examples

• E-commerce Logistics: Amazon uses Code 128 for package shipping labels, sorting error rate reduced by 22%
• Healthcare Safety: Hospitals use ITF-14 to track pharmaceutical packaging, achieving 24-hour traceability
• Small Merchants: Convenience stores use EAN-8 for gum labeling, inventory counting time reduced from 2 hours to 15 minutes

Important Notice: Barcodes generated by this tool are for testing/educational purposes only. For commercial scenarios, EAN/UPC codes must be obtained through GS1 officially ([GS1 Standard Guide](https://www.gs1.org/standards/barcodes)). The tool does not provide code registration services.