Barcode Tools
UPC Barcode Generator
Generate UPC-A barcodes used on North American retail products. Enter 11 digits and the tool calculates the correct 12th check digit automatically. Download as PNG or SVG.
Enter 11 digits — the 12th check digit is calculated automatically.
🔒 All processing happens locally in your browser. No data is uploaded.
How to use
- 1. Enter your 11-digit UPC number (the check digit will be calculated for you).
- 2. Or disable auto-check and enter the full 12-digit code to validate it.
- 3. Click Generate UPC Barcode.
- 4. Download PNG or SVG, or copy the full 12-digit code.
Example
Input: 03600029145 (11 digits)
Output: 036000291452 (check digit = 2)