The need for superior and diversified cheese products has prompted the creation of novel testing methodologies to guarantee uniform quality and safety. At-line and in-line testing applications are vital innovations in the cheese manufacturing sector, facilitating real-time oversight and control of the production process. These testing procedures enhance the product’s quality by rapidly offering feedback on crucial aspects such as moisture content, pH levels, and microbiological activity. These approaches aid in maximizing the texture, elasticity, ingredient uniformity, and allergy control of different types of cheese manufactured in the dairy business. In addition, they have been utilized for accurate compositional analysis, enhancing flavor, and extending the shelf life of cheese. By using these technologies, production processes are optimized and comply with strict regulatory standards, while also satisfying consumer demands for cheese that is of high quality and safety. This chapter explores the implementation and benefits of At-line and In-line testing methods for different types of cheese, using case studies and technology evaluations.