Local processing
Inputs and generated output stay in this browser.
Barcode Generator for Code 128, EAN and UPC
Generate validated CODE128, EAN, UPC, ITF and other barcode formats locally.
Images, colors, codes and sensitive content remain in your browser and are not stored.
General high-density alphanumeric barcode. Automatic subset selection.
Appearance
- Barcode format
- CODE128
- Length
- 11
- Encoded value
- TERVIX-2026
- Check digit
- Not applicable
How to generate a validated barcode
- 1
Choose a supported symbology and enter its value.
- 2
Validate or calculate check digits and adjust print options.
- 3
Test the symbol and export safe SVG or PNG.
Private, precise browser tools
Typed validation
Invalid formats are rejected with specific feedback.
Accessible exports
Textual values and keyboard controls complement every visual result.
Frequently asked questions
Does an EAN image assign a GTIN?
No. Official commercial identifiers must be obtained from the appropriate issuing organization.
How is the check digit calculated?
EAN, UPC and ITF-14 use their standard alternating weighted checksum.
Is anything sent to a server?
No. Processing is local and sensitive values are not stored by default.