Generate custom barcodes with options to customize size, width, height, colors, format, and labels. Supports formats like Code 128, Code 39, EAN-13, EAN-8, UPC-A, UPC-E, ITF, and Codabar.
All barcodes are generated completely inside your web browser. No product IDs, serial numbers, SKU lists, or custom values are ever uploaded to our servers.
A barcode symbology is a standardized mapping structure that defines how data is converted into physical black bars and white spaces. Different industries use different symbologies depending on character set support, data density constraints, and standard scanning equipment parameters.
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No. The generated barcodes are static and represent a direct mapping of the input string using a standardized barcode symbology. They will remain valid and scannable forever.
Use Code 128 for general alphanumeric data (SKUs, serial numbers, custom IDs). Use UPC-A or UPC-E for retail products in the US/Canada, and EAN-13 or EAN-8 for products globally. Use ITF for shipping/packaging barcodes and Code 39 for legacy industrial applications.
Yes, completely. All barcode generation logic is executed in your web browser using client-side JavaScript. No input data, SKUs, or generated images are ever uploaded to our servers, ensuring total privacy.
Our tool supports downloading in SVG (vector) format, which can be scaled to any size without losing quality or resolution. You can also export to PDF or use the 'Print' function directly to send the barcode to a label printer.
Read our in-depth articles and guides related to this tool to help you make smarter decisions.
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