Free Barcode Generator Create UPC & EAN Codes Online

Visual Data Encoding

Generate industry-standard linear barcodes for logistics, inventory, and retail. Customize every aspect from line thickness to font sizing and export high-resolution assets instantly.

Symbology
CODE128
Data Length
12 chars
Scale Factor
2x
Engine State
Live
Configuration
HEX
HEX
Display Human Readable Text
Visual Preview
Invalid data for selected type.
Professional Features
Universal Symbologies
Supports all major linear formats including CODE128 for general logistics and EAN/UPC for global retail standards.
Real-time Rendering
Watch your barcode update instantly as you type data or modify styling parameters like height and width.
Aesthetic Control
Full control over foreground and background colors to match your packaging design or brand guidelines perfectly.
Vector SVG Export
Export in SVG format for infinite scalability, ensuring perfect sharpness in professional printing and large-scale manufacturing.
Syntax Validation
Built-in validation engine alerts you if the data payload doesn't match the specific requirements of the selected barcode type.
100% Client-Side
Your inventory data never leaves your browser. All barcode generation logic is performed locally for maximum data privacy.
Usage Workflow
1

Enter Data & Type

Enter your numeric or alphanumeric value and select the appropriate symbology for your specific industry use-case.

2

Refine Visual Specs

Adjust the bar width and height. Toggle the human-readable text and customize colors to fit your design requirements.

3

Export and Print

Select PNG for web use or SVG for professional printing. Your barcode is immediately ready for production use.

Why use generator pro
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Industrial-Grade Precision

Unlike basic tools, our engine follows strict ISO/IEC standards for barcode generation, ensuring that every asset produced is 100% scannable by physical hardware.

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Zero-Latency Engine

Powered by optimized Vanilla JS, the rendering happens in microseconds. No waiting for server responses or page reloads while testing different values.

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High Fidelity Assets

We provide ultra-crisp exports. Our PNGs are generated at high DPI and our SVGs are clean, lightweight, and perfect for high-speed industrial printers.

Success