What is the difference between EAN-13, UPC-A, and Code 128?

EAN-13 (13 digits) is the international standard for retail point-of-sale products worldwide. UPC-A (12 digits) is the primary North American barcode. Code 128 is a versatile high-density format that encodes numbers, letters, and symbols for logistics and warehouse management.

How is the check digit calculated?

Our tool automatically computes the official Modulo-10 checksum (with alternating 1 and 3 weights) for EAN-13, EAN-8, UPC-A, ISBN-13, and ITF-14. If you enter only 12 digits, the 13th check digit is appended automatically.

Which file format (SVG or PNG) is best for printing?

SVG is a vector format that scales infinitely without pixelation, making it the industry standard for product packaging, commercial printing, and graphic design tools like Illustrator. High-DPI PNG is ideal for desktop label printers and Office documents.

Are my barcode numbers sent to a server?

No! All vector math and rendering runs 100% locally in your browser. Your SKU numbers and product codes remain completely private.

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Gerador de Código de Barras & EAN

Gerador de código de barras online gratuito: crie EAN-13, EAN-8, UPC-A, Code 128, Code 39 e ISBN em SVG e PNG.

Imagem

Gerador de Código de Barras & EAN

Criação gratuita de códigos de barras padrão com pré-visualização e exportação SVG/PNG.

⚡ 100% Client-Side Vector

1. Selecionar tipo de código

Valor do código / Dígitos

Rótulo personalizado (opcional)

2. Dimensões e cores

Altura do código80 px

Largura das barras (Escala)2x

Mostrar texto / números abaixo

Farbe:

Hintergrund:

Standard: ean13Mit Klarschrift

Como funciona

Envie seu arquivo acima. Nosso motor em nuvem fará o trabalho pesado e entregará o resultado em segundos.

Seguro & Protegido

Sua privacidade é nossa prioridade. Todos os arquivos são excluídos automaticamente após 2 horas.

Step-by-step

How Gerador de Código de Barras & EAN Works

Gerador de código de barras online gratuito: crie EAN-13, EAN-8, UPC-A, Code 128, Code 39 e ISBN em SVG e PNG.

1. Select Barcode Standard

Choose your barcode type: EAN-13 (Retail), EAN-8, UPC-A (US/Canada), Code 128 (Logistics), Code 39, or ISBN-13 (Books).

2. Enter Digits or Alphanumeric Text

Type your product code or string. The engine validates and calculates modulo checksum digits automatically in real time.

3. Customize & Download SVG / PNG

Adjust bar height, scale, colors, and text labels, then download as print-ready vector SVG or high-DPI PNG.

Key Benefits & Data Privacy

7 official barcode standards: EAN-13, EAN-8, UPC-A, Code 128, Code 39, ISBN-13 & ITF-14

Automatic modulo checksum validation with 1-click auto-fix recommendation

Crisp vector SVG download for professional packaging & label printing

2x Retina High-DPI PNG download and instant clipboard copying

100% Client-Side & Free: Zero tracking, zero server uploads

FAQ

Frequently Asked Questions

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