Barcode Generator

Generate professional barcodes for free. Supports Code128, EAN-13, UPC-A, Code39, ITF-14 and more. Live preview and instant download in PNG or SVG format.

100% Free No Signup Instant Results

Code 128

Any text or numbers — most versatile

Data

Options

Show text below barcode

Preview

30 barcode formats supported

Free Professional Barcode Generator — 30+ Formats

Create high-quality barcodes in seconds with Kalcify's free barcode generator. Supports 30+ formats across Linear Codes (Code 128, Code 39, Code 93, Codabar, MSI, ITF), EAN/UPC (EAN-13, EAN-8, UPC-A, UPC-E), 2D Codes (QR Code, Data Matrix, PDF417, Aztec), and ISBN/ISSN codes. All barcodes are generated locally in your browser for maximum privacy and speed. Download in PNG for quick use, or SVG for lossless scalability in professional print workflows.

How to use this Barcode Generator?

Enter Data

Type the text or number you want to encode into the barcode.

Select Format

Choose a barcode type like Code128, EAN-13, UPC-A, or Code39.

Preview Live

See your barcode update in real-time as you type.

Download

Download the barcode as a high-resolution PNG or scalable SVG file.

Frequently Asked Questions

Code 128 is the most versatile — it supports any text or numbers. Use EAN-13 for European retail products, UPC-A for US products, Code 39 for industrial labeling, QR Code for URLs and mobile scanning, and PDF417 for ID cards.

1D (linear) barcodes encode data in bars of varying width — like Code 128 and EAN-13. 2D barcodes like QR Code and Data Matrix encode data in a grid of squares, allowing much more data in less space.

Yes! The generated barcodes are completely free for both personal and commercial use. There are no watermarks or restrictions.

Each barcode format has specific input requirements. EAN-13 needs exactly 13 digits, UPC-A needs 12 digits, ISBN needs a valid ISBN format. Code 128 and QR Code accept any text.

PNG is a raster format — great for printing at a fixed size. SVG is a vector format that scales to any size without losing quality, perfect for professional printing. Note: 2D barcodes are only available as PNG.

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Free Professional Barcode Generator — 30+ Formats

Frequently Asked Questions

Yes! The generated barcodes are completely free for both personal and commercial use. There are no watermarks or restrictions.

Each barcode format has specific input requirements. EAN-13 needs exactly 13 digits, UPC-A needs 12 digits, ISBN needs a valid ISBN format. Code 128 and QR Code accept any text.