What is Barcode Generator?
A barcode generator converts a number or text into a machine-readable pattern of bars and spaces according to a barcode standard.
How to use Barcode Generator
- 1
Choose the barcode format.
- 2
Enter the value; the check digit is calculated if you leave it out.
- 3
Adjust bar width, height and text, then download SVG, PNG or PDF.
Features
- Code 128, Code 39, EAN-13, EAN-8, UPC-A, ITF-14, MSI, Codabar
- Check-digit calculation and validation
- Bar width, height, colors and human-readable text
- Vector SVG and PDF export
Supported formats
- PNG
- SVG
- JPG
Practical uses
- Inventory and asset labels.
- Product packaging with your licensed GS1 number.
- Shipping carton labels (ITF-14).
Limitations
- We don't assign or license GS1 numbers for retail.
- Low contrast or colored bars may not scan; black on white is safest.
- Print at 100% scale; resizing EAN/UPC outside the allowed range can cause rejections at retailers.
Frequently asked questions
What is a check digit?
The last digit of EAN, UPC and ITF-14 codes is computed from the others to detect scanning errors. We add it or tell you if yours is wrong.
Can I generate barcodes in bulk?
This tool creates one barcode at a time.
