Barcode Generator
Generate CODE128, EAN-13, UPC-A, and other barcode formats.
Overview
Generate professional barcodes in multiple formats including Code128, EAN-13, and UPC with this browser-based generator. Enter your data, select a format, and download a crisp barcode image — perfect for product labels, inventory management, or any barcode printing need.
Key Features
- Multiple Formats — Generate barcodes in Code128, EAN-13, UPC-A, Code39, and ITF formats.
- Instant Preview — See your barcode rendered in real time as you type the data.
- Download as Image — Save your generated barcode as a high-quality PNG or SVG for printing.
- Input Validation — Format-specific validation ensures your data produces a valid, scannable barcode.
Tech Stack
Built with HTML, CSS, and JavaScript. Barcode rendering uses a JavaScript barcode library for accurate encoding across multiple symbologies. Output rendered to Canvas for image export.
Problem it solves
Generating properly encoded barcodes typically requires paid software. This free tool produces scannable barcodes in multiple formats instantly.
How it was built
Built with HTML, CSS, and JavaScript. JS barcode library for multi-format encoding, Canvas for image rendering and export.
Frequently Asked Questions
Is the Barcode Generator completely free to use?
Yes, the Barcode Generator is 100% free with no account required, no subscription, and no watermarks.
Does Barcode Generator store any of my data or inputs?
No. All generation and calculations run client-side directly in your browser. None of your data or inputs are sent to or stored on external servers.
Can I use outputs from Barcode Generator for commercial projects?
Yes, all results generated with this tool are free to use for both personal and commercial projects without attribution.