barcode_scanner Barcode Generator

Generate barcodes (Code 128, EAN, UPC, ISBN) with batch export and high-res printing

2
100

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Barcode Type Guide

Code 128
Any ASCII chars, variable length
EAN-13
13 digits, European products
UPC-A
12 digits, US/Canada products
Code 39
A-Z, 0-9, common in logistics

About the Barcode Generator

Generate professional barcodes instantly with our free online barcode generator. Create Code 128, EAN-13, UPC-A, and many more barcode formats. Download high-resolution images suitable for printing on product labels, inventory tags, and packaging. All processing happens in your browser — your data stays private.

Supported Barcode Formats

General Purpose

  • Code 128 — The most versatile barcode supporting all ASCII characters. Ideal for shipping labels, inventory, and general use.
  • Code 39 — Alphanumeric barcode (A-Z, 0-9, special chars). Common in automotive and defense industries.

Retail / Product Barcodes

  • EAN-13 — Standard European Article Number, 13 digits. Used on retail products worldwide (except US/Canada).
  • EAN-8 — Compact 8-digit version for small packages.
  • UPC-A — Universal Product Code, 12 digits. Standard for retail products in USA and Canada.
  • UPC-E — Compressed 6-digit version of UPC for small items.

Shipping & Logistics

  • ITF-14 — 14-digit barcode for shipping containers and cartons.
  • ITF / Interleaved 2 of 5 — Numeric only, commonly used in warehousing.
  • MSI — Used for inventory control, with various checksum variants.

Healthcare

  • Pharmacode — Used exclusively in pharmaceutical industry for package identification.
  • Codabar — Used by blood banks, libraries, and FedEx airbills.

Key Features

  • High-Resolution Export — Up to 8x resolution for professional printing (300+ DPI).
  • Multiple Formats — Download as PNG, JPG, or SVG (vector).
  • Batch Generation — Create up to 100 barcodes at once with ZIP download.
  • Customization — Adjust colors, size, margins, and text display.
  • Privacy First — All generation happens locally in your browser.

Export Resolution Guide

  • 1x — Good for on-screen display and testing
  • 2x — Suitable for home/office printing at 150 DPI
  • 4x — Professional printing at 300 DPI
  • 8x — High-quality commercial printing at 600 DPI

Barcode Scanning Tips

  • Ensure adequate quiet zone (white space) around the barcode
  • Use high contrast colors (black bars on white background is best)
  • Print at minimum 80% scale for reliable scanning
  • Test scan before mass printing