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UPC-A

UPC Barcode Generator

100% Free

Work with UPC-A digits: validate the check digit, then encode as Code 128. Dedicated UPC-A bars coming next.

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Client-Side
Code 128
No upload
Symbology
Code 128EAN-13 / UPC bars — next

Today this encodes your UPC digits as Code 128. Validate the check digit first. Dedicated UPC-A symbology bars are next.

Mode

Printable ASCII only (Code 128 Subset B). Paste an Amazon FNSKU as-is.

Preview

036000291452

036000291452

Print many on A4 → Barcode Label Sheet

1D Code 128 only — not a QR code. Not official Meesho packet IDs. For Amazon FBA, paste the FNSKU Amazon gave you; we only draw the bars.

Embed This Tool

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Add UPC Barcode Generator to your website or blog in seconds.

  • Responsive design
  • Lightweight & fast
  • No backend required
  • Always up-to-date 
<iframe
  src="https://tools.town/embed/upc-barcode-generator/"
  width="100%"
  height="600"
  style="border:none; border-radius:12px;"
  loading="lazy"
  title="UPC Barcode Generator">
</iframe>

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Share UPC Barcode Generator with anyone — no login required.

  • Shareable link
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  • Works on any device
  • No account needed

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How to Use

  1. 1 Validate or complete check digit (11→12) in GTIN Calculator
  2. 2 Paste the full 12 digits
  3. 3 Download SVG/PNG (Code 128 today)
  4. 4 Use Barcode Label Sheet for A4 print

Features

  • UPC-A sample defaults
  • GS1 check digit link
  • Honest Code 128 interim encoding
  • Not a free UPC issuer

Why it Matters

UPC searches need check-digit honesty plus a printable bar — not a QR tool.

★★★★★

Use Cases

US retail digits

Validate UPC-A then export bars for internal labels

Print prep

Catch bad check digits before packaging

Frequently Asked Questions

True UPC-A symbology?
Not yet — digits encoded as Code 128 until UPC bars ship. Validate the check digit first.
Free UPC numbers?
No. Buy licensed numbers from GS1. We only do math and drawing.
📖

Want to understand the math?

Browse all guides →
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14 Oct 2026

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Barcode Ops — A4 Labels, Code 128, GTIN & QR Sheets

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Fix a GTIN Check Digit Before You Print

Catch invalid EAN/UPC/GTIN check digits before wasting label stock — complete or validate with Tools.Town’s GS1 calculator.

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