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Barcode Generator

Professional 1D barcode generation tool supporting multiple barcode formats with custom styles and batch generation features

Input Content

Code 128

Generate Barcode

Please enter content to generate barcode

Usage Guide

Basic Usage

  1. Enter the content you want to generate barcode for in the input field
  2. Select an appropriate barcode format (Code 128, Code 39, EAN-13, etc.)
  3. Click the "Generate Barcode" button
  4. After successful generation, you can download the barcode image
  5. View generation history to manage previously generated barcodes

Usage Tips

  • EAN-13 format requires 13 digits, suitable for product codes
  • EAN-8 format requires 8 digits, suitable for small products
  • UPC-A format requires 12 digits, suitable for North American products
  • Code 128 format supports all ASCII characters, most widely used
  • Code 39 format supports digits, uppercase letters and special characters
  • Different formats have specific content requirements, choose appropriate format based on usage
  • Generated barcodes are automatically saved to local history
  • You can download or delete previously generated barcodes at any time

Barcode Format Information

Code 128

CODE128

Universal encoding supporting all ASCII characters, high density, widely used

Use Cases
Logistics ManagementInventory ControlRetail ProductsDocument ManagementManufacturing
Requirements
  • Supports all ASCII printable characters
  • Variable length
  • Includes checksum
Examples
123456789ABC123Product-001

Code 39

CODE39

Industrial standard encoding supporting digits and uppercase letters, high reliability

Use Cases
Industrial ManufacturingAutomotive IndustryDefense & MilitaryMedical DevicesLibraries
Requirements
  • Only supports digits, uppercase letters and special characters
  • Variable length
  • Includes start and stop characters
Examples
123456ABC123A123456789B

EAN-13

EAN13

13-digit product code, international standard for retail products

Use Cases
Retail ProductsSupermarketsE-commerce PlatformsBook PublishingConsumer Goods
Requirements
  • Must be 13 digits
  • Includes country code
  • Includes checksum
Examples
123456789012897871112138264007817323274

EAN-8

EAN8

8-digit product code, suitable for small products, space-saving

Use Cases
Small Package ProductsCandy & SnacksCosmeticsPharmaceuticalsSmall Electronics
Requirements
  • Must be 8 digits
  • Includes country code
  • Includes checksum
Examples
123456784012345678912345

UPC-A

UPC

12-digit North American product code standard, widely used in US and Canada

Use Cases
North American RetailSupermarketsConvenience StoresE-commerceConsumer Goods
Requirements
  • Must be 12 digits
  • Includes manufacturer code
  • Includes checksum
Examples
123456789012012345678901987654321098
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