Create professional barcodes for products, inventory, shipping, and internal tracking. Choose Code 128, EAN-13, UPC-A, Code 39, and more, customize the label, preview live, and download PNG or SVG.
What is Free Barcode Generator?
The WeLuvTools Barcode Generator creates one or many linear barcodes directly in your browser.
About Free Barcode Generator
The WeLuvTools Barcode Generator creates one or many linear barcodes directly in your browser. Choose Code 128 for shipping and inventory data, EAN-13 or UPC-A for properly assigned retail identifiers, Code 39 for many industrial workflows, or another supported format. Customize bar width, height, colors, readable text, and text size, then download high-quality PNG or scalable SVG output without uploading your data.
100% Private
Files stay on your device.
Super Fast
Results in just a few seconds.
Secure & Safe
No account or upload needed.
Practical Limits
Capacity depends on your device.
How to use
Step 1
Select the barcode format that matches your workflow, such as Code 128 for logistics, EAN-13 for global retail, or UPC-A for North American retail
Step 2
Enter the value to encode, using one unique value per line for batch generation, and correct any format-specific validation messages
Step 3
Adjust the use-case preset, bar width, height, colors, readable text, and text size while checking the live preview
Step 4
Generate the barcode and download PNG for common digital use, SVG for scalable print, or batch ZIP and printable label output
Practical scenarios
Use cases
Common ways people get more value from this tool.
Use case 1
Retail product labels commonly use a properly assigned EAN-13 or UPC-A identifier
Use case 2
Warehouse inventory and asset tracking can use Code 128 for alphanumeric SKUs and serial numbers
Use case 3
Shipping and logistics labels can encode parcel, carton, route, or consignment references
Use case 4
Industrial identification can use Code 39 for compatible equipment and established workflows
Use case 5
Libraries, offices, and internal teams can generate batches for books, documents, bins, and equipment
Types & formats
Code 128
High-density alphanumeric format for shipping, inventory, logistics, and internal tracking
EAN-13
Thirteen-digit retail format used for product identification in many global markets
UPC-A
Twelve-digit retail format commonly used in the United States and Canada
Code 39
Alphanumeric format used in many industrial, automotive, government, and asset workflows
The WeLuvTools difference
Why choose WeLuvTools
Benefit 1
Generate multiple common linear barcode formats in one browser-based tool
Benefit 2
Validate EAN, UPC, Code 39, Code 128, and other format-specific input
Benefit 3
Customize bar width, height, colors, readable text, and text size
Benefit 4
Preview the first valid barcode instantly before generating a batch
Benefit 5
Download individual PNG or SVG files, batch ZIP archives, or printable labels
Benefit 6
Keep barcode values on your device with client-side generation
Frequently Asked Questions
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