Barcode Generator
Create professional barcodes in various formats
Settings
CODE128
Most versatile format. Supports all ASCII characters. Best for general use.
Preview
🔒 Privacy First: All barcode generation happens in your browser using JsBarcode. No data is sent to any server. Your barcode content never leaves your device.
Understanding Barcodes
Barcodes are machine-readable representations of data in a visual format. They're used across industries for inventory management, retail sales, shipping, and identification. This tool generates 1D (linear) barcodes in various formats to suit different needs.
Barcode Format Guide
- CODE128: The most versatile format. Supports all 128 ASCII characters including numbers, letters, and special characters. Best for general-purpose use.
- EAN-13: European Article Number. 13-digit code used worldwide for retail products. Required by most retailers.
- EAN-8: Compact 8-digit version of EAN-13 for small products.
- UPC-A: Universal Product Code. 12-digit format used primarily in North America for retail.
- CODE39: Alphanumeric code supporting uppercase letters, numbers, and some symbols. Common in automotive and defense industries.
- ITF-14: 14-digit format used for outer cartons and packaging. Designed for high-speed scanning.
- Pharmacode: Used in pharmaceutical packaging for automated identification.
- Codabar: Used in libraries, blood banks, and FedEx airbills.
Choosing the Right Format
- Retail Products: Use EAN-13 or UPC-A
- Internal Inventory: Use CODE128
- Shipping/Logistics: Use CODE128 or ITF-14
- Libraries: Use Codabar or CODE39
- Healthcare: Use CODE128 or Pharmacode
Best Practices
- Ensure adequate contrast between bars and background (black on white recommended)
- Include quiet zones (margins) around the barcode
- Print at sufficient size for reliable scanning
- Test barcodes with actual scanners before production use
- Verify check digits for EAN/UPC codes
Related Tools
You might also find these utilities helpful:
- QR Code Generator - Generate 2D QR codes for URLs, text, and more
- Base64 Encoder - Encode data in Base64 format
- UUID Generator - Generate unique identifiers