What is the Code 39 Barcode Generator?
Generate a Code 39 barcode from letters and numbers. The Code 39 Barcode Generator is a free online tool that works instantly in your browser — no installation, no signup and nothing to upload. It sits alongside other QR & Barcode tools on DevNibble such as QR Code Generator, WiFi QR Code Generator, vCard QR Code Generator.
How to use the Code 39 Barcode Generator
- Choose the options you want.
- Click Generate to create your output.
- Copy or download the results.
Features
- Runs 100% in your browser — your data is never uploaded or stored.
- Free forever, with no account, no ads and no tracking.
- Copy or download your result in one click.
- Fast and responsive on desktop, tablet and mobile.
Frequently asked questions
Is the Code 39 Barcode Generator free to use?
Yes — Code 39 Barcode Generator is completely free with no sign-up, no ads and no limit on how many times you can use it.
Is my data private when I use the Code 39 Barcode Generator?
Everything happens locally in your browser. Your input is never sent to a server, which makes Code 39 Barcode Generator safe to use with private or sensitive data.
How do I use the Code 39 Barcode Generator?
Enter your content, customise it, then download the image as PNG or SVG — it works with any standard scanner.
Will the code work with any scanner?
Yes. Code 39 Barcode Generator produces standard-compliant output that scans with any modern phone camera or barcode reader. Generate a Code 39 barcode from letters and numbers.