Barcode Generator
Generate barcodes for products, inventory, and retail. Supports Code 128, EAN-13, UPC-A and more. Free.
Use the Blue QR Code Generator to create barcode generator codes instantly, free of charge. No registration required.
Preview will appear here
Example generated QR Code
✓ Free · No account · Instant
What is the Barcode Generator?
A barcode is a machine-readable pattern of lines that encodes a number or short string of text. Unlike QR codes, barcodes are scanned with dedicated barcode readers as well as smartphones. BlueQRCode supports EAN-13 (international retail), UPC-A (North American retail), and Code 128 (logistics, warehousing, and internal tracking).
When to use this tool
- ✓Retail product packaging that needs a scannable barcode for point-of-sale systems
- ✓Small businesses creating product labels for handmade goods, food products, or custom items
- ✓Warehouse and inventory management where items need to be tracked with scanners
- ✓Publishers who need an EAN-13 barcode derived from an ISBN for book covers
- ✓Internal asset tracking — printers, laptops, equipment — using Code 128 with custom identifiers
How to use the Barcode Generator — step by step
- 1
Choose your barcode format
EAN-13: for retail products sold internationally. UPC-A: for products sold primarily in the US and Canada. Code 128: for internal tracking, logistics, or any alphanumeric data.
- 2
Enter your barcode value
For EAN-13: enter exactly 12 digits — the 13th check digit is calculated automatically. For UPC-A: enter 11 digits. For Code 128: enter any text or numeric string.
- 3
Check the validation feedback
The generator validates your input in real time. An error message appears if the format is wrong — correct it before downloading.
- 4
Preview and verify
Look at the preview and confirm the number below the barcode matches your intended value. Scan it with a barcode scanner or smartphone app to double-check.
- 5
Download SVG for print
For product packaging or professional printing, always use SVG. It's a vector format that prints sharply at any size. PNG works for screens and documents.