Barcode Generator

Generators

Generate standards-compliant barcodes in multiple formats including CODE128, EAN-13, UPC and CODE39. Adjust dimensions and download as PNG for labels and inventory.

About the Barcode Generator

Generate standards-compliant barcodes in multiple formats including CODE128, EAN-13, UPC and CODE39. Adjust dimensions and download as PNG for labels and inventory.

The Barcode Generator is part of TechToolsCenter — a free, privacy-first collection of 30+ online tools. Like every tool here, it runs 100% in your browser, so your data stays private and results are instant. There is no sign-up, no watermark and no limit on how many times you can use it.

How to use the Barcode Generator

  1. 1

    Open the Barcode Generator

    Open the Barcode Generator — it loads instantly and works entirely in your browser. No sign-up or installation is needed.

  2. 2

    Enter your details

    Fill in the fields or paste your content. Everything updates in real time so you always see an accurate live preview.

  3. 3

    Review the live preview

    Check the result in the preview panel. Use Undo, Redo or Reset at any time — your work is saved to your browser automatically.

  4. 4

    Copy, download or share

    When you're happy, copy the result, download the file, or share it. Nothing is ever uploaded to a server — it all stays on your device.

Why use our Barcode Generator?

  • 100% free with no sign-up or hidden limits
  • Runs entirely in your browser — your data never leaves your device
  • Fast, responsive and works great on mobile
  • Saves your recent work automatically via local storage

Frequently asked questions

CODE128, CODE39, EAN-13, EAN-8, UPC and more are supported out of the box.

Related tools