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About This Tool
Create professional barcodes directly in your browser with zero server uploads. This tool supports three of the most widely used barcode formats: Code 128 (ideal for alphanumeric product codes and logistics), EAN-13 (international retail products), and UPC-A (North American retail products).
For EAN-13 and UPC-A, the check digit is calculated and appended automatically if you supply 12 or 11 digits respectively. The rendering engine uses the HTML5 Canvas API and implements the full encoding specification for each format, including proper start/stop characters, guard bars, and parity patterns.
Adjust bar width and height to match your label requirements, then download the result as a high-quality PNG. Ideal for product labeling, inventory management, and printing prototypes.