EAN-8 Barcode Validator

EAN-8 Barcode Validator | Elysia Tools

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category: Validation
Input types: text
Output type: text
Sample coverage: 4
API ready: Yes

Overview

The EAN-8 Barcode Validator is a dedicated utility designed to verify 8-digit EAN-8 and GTIN-8 product barcodes. It performs instant check-digit verification, identifies the GS1 country prefix, and breaks down packaging details while tolerating common formatting variations like spaces, dashes, and add-on codes.

When to use

When you need to verify if an 8-digit EAN-8 barcode has a mathematically correct check digit.
When you want to identify the GS1 country of origin prefix from a GTIN-8 product code.
When troubleshooting scanning issues on small retail packaging by checking barcode formatting and add-on digits.

How it works

1Enter the 8-digit EAN-8 or GTIN-8 barcode into the input field, including any spaces, dashes, or 2/5-digit add-ons.
2The validator strips non-numeric formatting characters and isolates the core 8-digit sequence.
3The tool calculates the expected check digit using the GS1 modulo-10 algorithm and compares it to the final digit.
4The validator outputs the validation status, identifies the GS1 country prefix, and details the packaging structure.

Use cases

Retail inventory managers verifying barcode lists before printing labels for small-format products.
Quality assurance teams checking the validity of GTIN-8 codes received from suppliers.
E-commerce sellers validating product identifiers before listing items on online marketplaces.

Examples

1. Verifying a German Product Barcode

Inventory Specialist

Background

An inventory specialist is registering a new batch of small imported cosmetics from Germany with the barcode '4012 3457'.

Problem

The specialist needs to ensure the barcode is valid and confirm the GS1 country prefix matches Germany.

How to use

Input '4012 3457' into the EAN-8 Barcode field and click validate.

Outcome

The tool confirms the barcode is valid, verifies the check digit '7', and identifies the GS1 prefix '40' as Germany.

2. Validating Barcodes with Add-on Codes

Retail Operations Manager

Background

A retail manager is troubleshooting a scanning issue with a small book that has an EAN-8 barcode and a 5-digit add-on: '7351-3537-12'.

Problem

The manager needs to verify if the core 8-digit barcode is valid while ignoring the add-on suffix.

How to use

Enter '7351-3537-12' into the validator.

Outcome

The validator isolates the core '73513537' code, validates the check digit '7', and confirms the barcode is structurally correct.

FAQ

What is an EAN-8 barcode?

It is an 8-digit barcode format used globally on small retail products where a standard EAN-13 barcode would be too large.

Does this validator support spaces and dashes in the input?

Yes, the validator automatically ignores spaces, dashes, and handles optional 2-digit or 5-digit add-on codes.

How is the EAN-8 check digit calculated?

It uses a modulo-10 algorithm with alternating weights of 3 and 1 applied to the first 7 digits.

Can this tool validate EAN-13 barcodes?

No, this tool is specifically designed for 8-digit EAN-8 and GTIN-8 barcodes.

What does the GS1 country prefix indicate?

It identifies the GS1 member organization where the manufacturer registered the barcode, which often corresponds to the country of origin.

EAN-8 Barcode Validator

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Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Overview

When to use

How it works

Use cases

Examples

1. Verifying a German Product Barcode

2. Validating Barcodes with Add-on Codes

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