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FreeFormatHub
📊

Barcode Generator

Generate barcodes in various formats including Code 128, Code 39, EAN-13, UPC, and more with customizable styling, validation, and multiple output formats.

Quick Examples

About Barcodes

📊 Barcode Types
• EAN/UPC: Retail products
• Code 128: General purpose
• Code 39: Basic alphanumeric
• ITF-14: Shipping containers

Data to Encode

12 characters
Syntax: text

Output

Output will appear here

How It Works

Input Your Data

Paste, type, or upload your data directly into the barcode generator. All processing happens locally in your browser for complete privacy and security.

Configure Options

Customize the tool settings to match your specific needs. Real-time processing with instant validation and error detection.

Process Instantly

Click the process button or enable auto-processing for real-time results. Lightning-fast performance with immediate feedback and validation.

Export Results

Copy results to clipboard, download as files, or share with others. Multiple export formats available for maximum compatibility.

Frequently Asked Questions

Which barcode format should I choose?
Code 128 is versatile for general use, EAN-13/UPC for retail products, Code 39 for inventory, and ITF-14 for shipping. Choose based on your industry standards and data requirements.
What is the difference between EAN-13 and UPC-A?
EAN-13 is the international standard with 13 digits, while UPC-A is used primarily in North America with 12 digits. Both include check digits for validation.
Do I need to include checksum digits?
Some formats (EAN, UPC, Code 128) require checksums for validation. The tool can automatically calculate and include checksums when needed.
What size should I make my barcode?
Barcode size depends on scanning distance and print quality. Generally, aim for at least 2-3 pixels per bar for digital use, and consider the X-dimension for printing.
Can I customize the barcode appearance?
Yes! You can customize colors, fonts, margins, text position, and include or exclude human-readable text while maintaining barcode functionality.