FreeDev Tools

EAN / UPC Barcode Validator

Validate EAN-8, EAN-13, UPC-A, and GTIN-14 barcode check digits.

Runs locally in your browser. Your input is not uploaded.

How to Use

  1. 1

    Enter barcode numbers

    One per line — 8, 12, 13, or 14 digits.

  2. 2

    Read the verdicts

    Format is identified and the GS1 check digit verified.

  3. 3

    Fix failures

    Failed checks show the expected check digit.

Frequently Asked Questions

EAN-8 (small packages), UPC-A (12 digits, North America), EAN-13 (worldwide retail), and GTIN-14 (shipping cartons) — the GS1 family that shares one check-digit algorithm.