About Barcode Generator
Use this page to produce a Code 128 label for an internal identifier or a scanner test.
Primary output
Live Code 128 preview
Workspace option
Scalable SVG download
Barcode Generator
Create a Code 128 barcode from supported byte characters. Preview the encoded label and download it as barcode.svg.
Use this page to produce a Code 128 label for an internal identifier or a scanner test.
- 100% free
- No registration
- On your device
- Modern browser
- 1Enter details
- 2Adjust options
- 3View result
Your input stays on this device for this operation. We don’t upload or store it.
How to use Barcode Generator
- 1
Enter the identifier
Replace the sample in Barcode Data
- 2
Check the barcode
Inspect the live barcode and its human-readable text
- 3
Save the SVG
Download barcode.svg and test it with your reader
Formats and practical limits
Supported byte characters → Code 128 SVG
- The generator has no EAN, UPC or QR format selector.
- Characters above code point 255, including emoji, are rejected.
Practical example
Enter BOX-042 to create a label and confirm the decoded value before printing a batch.
Further reading
Frequently Asked Questions
1 answersWill 12 digits generate UPC-A?
The workspace encodes the value as Code 128 regardless of its length.