Barcode Generator
Generate barcodes in multiple formats including Code 128, EAN-13, UPC, Code 39. Free online barcode generator tool.
How to Generate a Barcode
- 1 Enter the text or numbers for your barcode
- 2 Select the barcode format (Code 128, EAN-13, UPC, etc.)
- 3 Customize bar width, height, and colors
- 4 Choose whether to show text below the barcode
- 5 Click Generate and download as PNG or SVG
Frequently Asked Questions
Is my code or data stored anywhere? ▼
No. All developer tools process data locally in your browser. Nothing is sent to any server or logged.
Can I use these tools offline? ▼
Yes! After the initial page load, most developer tools work without an internet connection.
Are there API limits? ▼
No limits. Since processing happens in your browser, you can use the tools as much as you need.
Is the output compatible with production use? ▼
Yes. Our tools produce standard-compliant output suitable for production environments.
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Last updated: January 15, 2026 · v2.1