Barcode Buddy

    Free Code 128 Barcode Generator

    The industry standard for shipping, logistics, and high-density alphanumeric encoding

    Code 128 is the most widely used linear barcode in shipping and logistics. It encodes the full ASCII character set in a compact form, making it ideal for tracking numbers, serial codes, and inventory labels. Generate scanner-tested Code 128 barcodes free — no signup, with PNG, SVG, and PDF export at 600 DPI.

    Code 128 Settings

    Enter your data to generate a Code 128 barcode

    Supports all ASCII characters, up to 80 characters

    0/80

    Generated Barcode

    Your barcode will appear here after generation

    Click "Generate Barcode" to create your barcode

    How It Works

    01

    Enter your text or numeric data — Code 128 supports all 128 ASCII characters.

    02

    Watch the barcode update live as you type.

    03

    Choose your export format: PNG for web, SVG for scaling, PDF for print.

    04

    Download a print-ready 600 DPI file ready for labels and packaging.

    Common Use Cases

    Shipping & Logistics

    Tracking numbers, waybills, and carrier labels — Code 128 is required by UPS, FedEx, and DHL.

    Warehouse Inventory

    Encode SKUs, bin locations, and pallet IDs in a compact, high-density format.

    Asset Tagging

    Track IT assets, lab equipment, and tools with alphanumeric serial numbers.

    Healthcare

    Patient wristbands, specimen labels, and pharmacy stock control.

    Manufacturing

    Work-in-progress tracking and component identification on the production floor.

    Document Control

    Reference numbers, file IDs, and form tracking in office systems.

    Technical Specifications

    Symbology type
    Linear (1D) barcode
    Character set
    Full ASCII (128 characters)
    Encoding modes
    Auto-switching A, B, C subsets
    Max length
    Practical limit ~80 characters
    Check digit
    Automatic (mod 103)
    Standards
    ISO/IEC 15417, GS1-128

    Frequently Asked Questions

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