PHP library - Validators for standards from ISO, International Finance, Public Administrations, GS1, Manufacturing Industry, Phone numbers & Zipcodes for many countries

Provide check digit algorithms and calculators written in Go

?? Biip interprets the data in barcodes.

?? An easy-to-use check digit library for data validation

GTIN / EAN / UPC Validation for Laravel

A PHP class for validating EAN, IMEI, ISBN, GTIN, SSCC, GSIN, UPC and other similar codes.

Real GTIN Validator is a PHP library based on the GTIN specification and use SOLID principles

GTIN cloud storage strategy and research APIs

A Python class for EAN and ISBN name lookup and validation using the API on ean-search.org

Elixir GTIN & UPC Generation and Validation Library

This little helper plugin adds missing Product identifiers to Woocommerce products. It will add 4 important product identifiers Brand, MPN, UPC, EAN, GTIN to simple and variabel products required for sales channels

A .NET library to work with Electronic Product Codes (EPC, SSCC, SGTIN)

A Python module for creation, validation, and transformation of EPC representations as defined in GS1's EPC Tag Data Standard.

Javascript function used to generate SSCC, GSIN, GTIN-8, GTIN-12, GTIN-13 & GTIN-14 check digit.

A lightweight validator function for GTINs

Helper classes to calculate and validate ckecksums.

A data parsing script and API providing UK Dictionary of Medicines and Devices (DM+D) data linked to the Global Trade Identification Number (GTIN) of a product.

International Standard Identifiers

?? Module for making requests to the Brocade API

A PHP class for EAN and ISBN name lookup and validation using the API on ean-search.org