Be Fit is a web-based system developed to be a comprehensive guide for adopting a healthy lifestyle. It can be considered as a health and food assistant, and a fitness coach that is available to the user all the time. Providing reliable calculations and efficient food tracking and weight tracking tools, in addition to providing a way for people to communicate and share ideas and also learn about the food that they consume and their nutrition, and even much more features, can simplify healthy living for all people and make their health journey more enjoyable and wiser.