Barcode Check Digit

Barcode Check Digit Calculator

GTIN-8 · UPC-A / GTIN-12 · EAN-13 / GTIN-13 · GTIN-14 / DUN-14

Live generationNot sent to serverMobile & PDA optimized

GTIN

Input is processed only on this device

Choose barcode typeBarcode value

Input rulesGTIN-8 · UPC-A / GTIN-12 · EAN-13 / GTIN-13 · GTIN-14 / DUN-14

Related barcode tools

A–Z · a–z · 0–9 · common symbols

12 digits → check digit: calculated · 13 digits → check digit: validated

11 digits → check digit: calculated · 12 digits → check digit: validated

13 digits → check digit: calculated · 14 digits → check digit: validated

A–Z · 0–9 · - . $ / + % · space

GS1 AI (01) · (10) · (17) · (21) … · FNC1: automatic

one per line · up to 200 values · Code 128 / EAN-13 / UPC-A / ITF-14 / Code 39 / GS1-128

Scan a barcode from an image or camera. Processing stays on this device.

Input rules

GTIN-8 · UPC-A / GTIN-12 · EAN-13 / GTIN-13 · GTIN-14 / DUN-14

Are entered codes saved on a server?

No. Generation happens in your browser. Recent codes, when enabled, are stored only in local browser storage and can be deleted at any time.

What if my PDA cannot read it?

Use full screen, increase brightness and rotate the phone horizontally. Try a distance of about 10–25 cm.

Input rules

GTIN-8 · UPC-A / GTIN-12 · EAN-13 / GTIN-13 · GTIN-14 / DUN-14

Are entered codes saved on a server?

No. Generation happens in your browser. Recent codes, when enabled, are stored only in local browser storage and can be deleted at any time.

What if my PDA cannot read it?

Use full screen, increase brightness and rotate the phone horizontally. Try a distance of about 10–25 cm.

Independent general-purpose tool

BarcodeOn creates symbols from the data you enter. It does not issue or assign official GS1 identifiers or GTINs.

Independent general-purpose tool

Whether a generated barcode can be used at work depends on your workplace rules and scanner settings.