Barcode Generator — Free Online Barcode Maker
Generate barcodes in multiple formats instantly. Choose from CODE128, EAN-13, UPC-A, and more. Download as PNG or SVG, or batch generate multiple barcodes at once. All generation happens in your browser — no data is sent anywhere.
How to Use the Barcode Generator
- Choose a format — select CODE128 for general use, EAN-13 for products, UPC-A for retail.
- Enter your data — type the value you want encoded in the barcode.
- Adjust settings — set bar width, height, text size, and whether to show text.
- Download — export as PNG for documents or SVG for scalable graphics.
- Batch generate — enter multiple values to create barcodes for an entire product line.
Barcode Format Guide
CODE128: Most versatile, supports all 128 ASCII characters. Great for general purpose barcodes.
EAN-13: Standard for retail products worldwide. Requires exactly 12 digits (check digit auto-calculated).
UPC-A: Used in US/Canada retail. Requires exactly 11 digits.
CODE39: Alphanumeric, commonly used in manufacturing and logistics.
ITF-14: Used for shipping cartons. Requires exactly 13 digits.
Frequently Asked Questions
For general use, CODE128 is the most flexible. For retail products, use EAN-13 (international) or UPC-A (North America). For internal inventory, CODE39 works well.
Yes, download the barcode as PNG or SVG and print it. SVG is recommended for printing as it scales without quality loss.
PNG is a raster format (fixed resolution), best for digital use. SVG is vector-based, scales infinitely, and is ideal for print materials.
Use Cases
Product Inventory
Generate barcodes for product inventory labeling, stock management, and warehouse organization systems.
Retail Shelf Pricing
Create barcodes for retail shelf pricing labels, point-of-sale systems, and product identification in stores.
Library Book Tracking
Generate unique barcodes for library books to streamline checkout, returns, and catalog management processes.
Event Ticketing
Create unique barcodes for event tickets, conference passes, and admission controls for smooth entry management.
Warehouse Logistics
Generate barcodes for warehouse logistics, shipping labels, and supply chain tracking across distribution networks.