Barcode Generator
Barcode generator to create professional 1D barcodes in Code 128, EAN-13, UPC-A, and Code 39 with instant SVG and PNG export.
Browser onlyYour data never leaves this device.
All barcodes are encoded and rendered 100% locally in your browser. No barcode numbers or product IDs are ever sent to a server.
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Transfer this output directly into complementary tools without re-uploading
Generate standards-compliant 1D retail, shipping, and inventory barcodes directly in your browser. This professional utility creates Code 128, EAN-13, UPC-A, and Code 39 barcodes with auto-calculated check digits, custom dimension scaling, and crisp typography rendering. Whether you need packaging labels for physical merchandise, tracking stickers for warehouse storage bins, or product barcodes for point-of-sale checkout scanners, everything runs locally using client-side SVG drawing with zero server uploads and complete business data privacy. Export clean vector SVG files for infinite-resolution print layouts or download high-DPI raster PNG images ready for thermal label printers.
How to use Barcode Generator
- Enter your product numbers, SKU, or tracking code.
- Select your desired barcode symbology (Code 128, EAN-13, UPC-A, or Code 39).
- Customize bar height, module width, and human-readable text labels.
- Download as vector SVG or high-resolution PNG for print and packaging.
When to use Barcode Generator
- Generate retail product barcodes (EAN-13 and UPC-A) with automatic check digit calculation.
- Create shipping and logistics tracking labels using high-density Code 128.
- Print inventory and warehouse asset tracking tags with Code 39.
Frequently asked questions about Barcode Generator
What barcode format should I use for retail products?
For retail products outside North America, EAN-13 (13 digits) is the global standard. For products sold in the United States and Canada, UPC-A (12 digits) is commonly used.
Can I print the exported barcodes on physical labels?
Yes. The vector SVG export offers infinite resolution without pixelation, and the PNG export is rendered at 2x high-DPI (300 DPI equivalent) for crisp thermal or laser label printing.
Is my barcode data kept private?
Yes. All symbology algorithms run 100% client-side in JavaScript without sending any product numbers or text to any server.
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