Barcode Generator
Generate EAN-13 and UPC-A barcodes
Format:
12 digits · European and worldwide products
Check digit8→ 1234567890128
EAN-13 · 13 total digits
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Free Online Barcode Generator
Generate barcodes in the formats most used in retail and logistics: EAN-13, EAN-8, UPC-A (with automatic check-digit calculation) and Code-128 for alphanumeric text. Enter the code or text, choose the format, and download the image ready to print or paste into your product catalog.
Why use Barcode Generator
- 4 formats: EAN-13, EAN-8, UPC-A and Code-128
- Automatically calculates the check digit for EAN/UPC
- Code-128 lets you encode alphanumeric text, not just numbers
- Generated in your browser with the JsBarcode library
- Download the barcode image instantly
How to use it in 3 steps
- 1
Choose a format
Select EAN-13, EAN-8, UPC-A or Code-128.
- 2
Enter the code or text
Type the numbers (or text, for Code-128) you want to encode.
- 3
Download the image
Generate the barcode and download it ready to use.
Questions about Barcode Generator
What barcode formats can I generate?
EAN-13, EAN-8, UPC-A and Code-128.
Do I need to calculate the check digit myself?
No, for EAN-13, EAN-8 and UPC-A the tool automatically calculates the check digit from the rest of the numbers.
Can I encode letters as well as numbers?
Yes, with the Code-128 format, which supports alphanumeric text, unlike EAN/UPC which only accept numbers.
Can I use it for products sold in real stores?
EAN-13/UPC-A is the standard format used in retail, but to sell with an official barcode you need to register the product with GS1 or another issuing authority; this tool generates the barcode image, not an official registration.
Is Barcode Generator free?
Yes, Barcode Generator from WebHerramientas is 100% free. No registration or subscription required. You can use it as many times as you need at no cost.
Is it safe to use Barcode Generator online?
Yes, all information is processed directly in your browser. We do not store or send your data to any external server.
Does Barcode Generator work on mobile?
Yes, the tool is fully responsive and works on any device: phone, tablet or computer with a modern browser.