UPC-A Barcode Generator

Create North American retail standard 12-digit UPC-A barcodes with automated check digit computation.

How It Works & Processing Standards

Create North American retail standard 12-digit UPC-A barcodes with automated check digit computation.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 2,000,000 characters

UPC-A Barcode Generator is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use UPC-A Barcode Generator

  1. 1
    Input 11 or 12 DigitsEnter 11 digits to auto-calculate the 12th check digit, or type all 12 digits.
  2. 2
    Download BarcodeSave vector SVG output for commercial printing.

Common Use Cases

  • Selling consumer goods through US/Canadian retail chains and department stores
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