Barcode Generator
Generate CODE128, EAN13, UPC-A, and CODE39 barcodes
Enter content above to generate barcode
About Barcode Generator
Create professional barcodes in multiple standard formats with full customization. Supports CODE128 (alphanumeric, most flexible), EAN13 (13-digit product codes), UPC-A (12-digit US product codes), and CODE39 (industrial use). Features include real-time format validation, customizable bar width and height, text display toggle, custom colors, and instant PNG download. Perfect for inventory management, product labeling, and retail applications. All processing is client-side for privacy.
Frequently Asked Questions
Which barcode formats are supported?
The tool supports CODE128, EAN13, UPC-A, and CODE39, covering common product, retail, inventory, and industrial labeling use cases.
How do I know which barcode format to choose?
Use EAN13 or UPC-A for retail product codes, CODE128 for flexible alphanumeric labels, and CODE39 for simpler industrial labels.
Why does my barcode value fail validation?
Some barcode formats require a specific length or character set. For example, UPC-A and EAN13 are numeric product code formats with strict digit counts.
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