Digital marketing is a new generation of marketing. Today, in order to maintain and expand businesses, it is necessary to make changes in the type of advertising and the way it operates. It is no longer the case that you can get a lot of customers with a TV commercial that has been the best. Whether we accept it or not, the lives of all of us have become digital, and the tools at our disposal, such as mobile phones, tablets, satellites, etc., confirm this; so you have to grow your business with digitalization to ensure its survival. To access this issue, you need to be familiar with digital marketing techniques. Digital marketing techniques or digital marketing changes a lot every year and you should always update your information in this field. This article describes the generalities and definitions of digital marketing and describes all the tools and techniques of digital marketing.