LifeToolbox

Barcode Generator Guide

2026-05-25

Quick Answer

Quick Answer: Enter a value, pick CODE128, EAN-13, or UPC, and download a PNG from our Barcode Generator—rendered instantly in your browser.

Why this matters

Retail labels, inventory stickers, and internal SKUs still rely on linear barcodes alongside QR codes.

Step by step

  1. Open the Barcode Generator.
  2. Choose a format and enter a valid code length.
  3. Download the PNG when the preview looks correct.

Tips

  • Need 2D codes? Use QR Code Generator.
  • Validate EAN-13 (12–13 digits) and UPC (11–12 digits) before printing.

Try It Yourself

Open the Barcode Generator

Frequently Asked Questions

What lengths are required?

EAN-13: 12 or 13 digits. UPC: 11 or 12 digits. CODE128: up to 80 characters.

Can I print these commercially?

Verify symbology specs and quiet zones for your printer—this tool is for quick drafts.

Is generation local?

Yes—JsBarcode runs in your browser.

Try it yourself

Use our free Barcode Generator — no signup required.

Open Barcode Generator →