Barcode Generator
Generate barcodes online for labels, inventory, testing, and product workflows.
Code 128
Most versatile, supports all ASCII characters
Length: Variable length
Example: ABC-123
Appearance
Preview
Enter a valid value to generate barcode
Common Barcode Uses
- •EAN-13/UPC-A: Retail products, ISBN for books
- •Code 128: Shipping labels, warehouse inventory
- •Code 39: Non-retail assets, vehicle identification
- •EAN-8: Small packages where space is limited
Create scannable barcodes for labels, inventory drafts, internal tracking, test data, and product workflows. Choose a supported barcode type, enter the value, and export an image for printing or documentation.
What is a barcode generator?
What is a barcode generator?
A barcode generator encodes text or numbers into a machine-readable symbol. Different barcode types have different rules: Code 128 supports many alphanumeric values, while EAN and UPC are commonly used for retail product identifiers.
When to generate a barcode
When to generate a barcode
Inventory labels
Create internal labels for shelves, boxes, and assets.
Retail mockups
Prepare sample EAN or UPC visuals for packaging drafts.
Testing scanners
Generate sample values for QA and app development.
Documents and forms
Add readable identifiers to PDFs, tickets, or worksheets.
How barcode generation works
How barcode generation works
The generator validates the value against the selected barcode type, encodes it into bars and spaces, and renders an image. Retail barcodes may require officially assigned identifiers for real products.
Common barcode types
Common barcode types
| Code 128 | Internal labels and alphanumeric data | Flexible and compact. |
| EAN/UPC | Retail products | Requires valid product numbers for real commerce. |
| QR code | URLs and longer text | Better for mobile scanning and web links. |
Barcode export and privacy
Barcode export and privacy
Barcode rendering runs locally in the browser. For commercial product packaging, verify barcode type, size, quiet zone, and official number assignment before printing.