ToolsOnAI 🚀

Barcode Generator - Create Barcodes Online Free

Create CODE128, EAN, UPC and more, then customise and download them.

What is a Barcode Generator?

A Barcode Generator converts numbers or text into a scannable barcode image using standard symbologies such as CODE128, EAN-13 and UPC. Everything is generated in your browser and can be exported as a print-ready image.

Why Use a Barcode Generator?

Barcodes make products, assets and documents fast and accurate to track. A flexible generator lets you match the exact format your scanner expects and produce clean labels in seconds.

  • Support CODE128, CODE39, EAN and UPC
  • Customise bar width, height and colors
  • Show or hide the human-readable value
  • Download as PNG or scalable SVG
  • Generate privately in your browser
  • Validate input for each format

Common Barcode Use Cases

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Product Labels

Print retail product and price labels.

📦

Inventory

Track stock and warehouse items accurately.

🚚

Shipping

Encode tracking numbers on shipping labels.

🗄️

Asset Tracking

Tag equipment and assets with unique codes.

📚

Libraries

Label books and media for issue and return.

🎫

Tickets & Passes

Generate scannable codes for entry passes.

Barcode Generator for Everyone

Our barcode generator is designed for:

  • Retailers
  • Warehouse and inventory teams
  • Logistics and shipping
  • Small business owners
  • Developers
  • Manufacturers
  • Libraries
  • Event organisers

🎥 Video Guide

❓ FAQs

What is a barcode generator?

A barcode generator converts numbers or text into a scannable barcode image using standard symbologies like CODE128, EAN-13, and UPC.

Which barcode formats are supported?

Common formats including CODE128, CODE39, EAN-13, EAN-8, UPC, and ITF are supported so you can match your scanner and use case.

Is this barcode generator free?

Yes. It is completely free with no limits, watermarks, or registration required.

Are the barcodes generated privately?

Yes. Barcodes are generated entirely in your browser. Your data is never uploaded or stored.

Can I customise the barcode?

Yes. You can adjust the bar width, height, colors, and whether the human-readable value is shown below the barcode.

Why is my barcode invalid?

Some formats require a specific number of digits or a valid check digit. For example, EAN-13 needs 12 or 13 digits. The tool reports when input does not match the format.

Can I download the barcode?

Yes. You can download your barcode as a PNG image or as scalable SVG for printing on labels.

What is CODE128?

CODE128 is a high-density barcode symbology that can encode letters, digits, and symbols, widely used in shipping and inventory.

Which browsers support this tool?

It works on Chrome, Firefox, Safari, Edge, and all modern browsers.