Data Generation Platform

GenCore

Generate realistic, valid test data for development and testing. One platform, multiple generators — starting with phone numbers.

Our Generators

Choose a generator to get started. New tools added regularly.

Generate valid phone numbers that pass libphonenumber-js validation.

Generate realistic user profiles with names, addresses, and contacts.

Generate valid addresses for countries worldwide.

Generate realistic email addresses for testing and development.

Generate unique usernames for testing authentication systems.

Generate fictional company profiles with industry data.

Generate secure passwords with configurable complexity.

Start with the Phone Generator — create valid phone numbers for 85+ countries in seconds.