Browsers are programs that allow users access to the web to be able to visualize and interact with different websites written under the structure of HTML code. The most important feature of these programs is to interpret the information of different types of files so that they can be viewed. They are designed to run on different operating systems. Most existing browsers are free, their difference lies in the functionality and ease of viewing the content of different web pages. Currently, browsers not only download HTML documents but also display images, sounds and even streaming videos with the document in different formats and protocols. In addition, they allow you to store the information on the disk or to create bookmarks of the most visited pages.