Dummy data is non-functional, simulated information used to fill databases, test software, or create design prototypes without utilizing sensitive real-world data. It serves as a placeholder to ensure system functionality during development,,, avoiding privacy issues. Popular tools for generating this data include Mockaroo, DummyJSON, and libraries like Faker. Dummy data is non-functional, simulated information used to fill databases, test software, or create design prototypes without utilizing sensitive real-world data. It serves as a placeholder to ensure system functionality during development,,, avoiding privacy issues. Popular tools for generating this data include Mockaroo, DummyJSON, and libraries like Faker. Dummy data is non-functional, simulated information used to fill databases, test software, or create design prototypes without utilizing sensitive real-world data. It serves as a placeholder to ensure system functionality during development,,, avoiding privacy issues. Popular tools for generating this data include Mockaroo, DummyJSON, and libraries like Faker.