Vuex is a concept to manage state(data) centrally of vue js application. It is created by evan you, creator of vue js, inspired from flux and redux. It’s a library, works with only vue js. It helps to manage state(data) of a large scale application in structured way.
As We know that vuex manage state centrally, So We can share state with other components in application using vuex. Managing state is a complex and debugging state is more bored task, When so much data traveling from one component to others. Vuex handle it in a simple way and developer can track state and debug easily.