The Magrit web application is a free online tool that helps create different types of thematic maps. It offers simple options like proportional maps and choropleth maps, as well as more advanced choices like smoothed maps and cartograms. Users can customize their maps with features like projection, scale, and orientation, and then export them in vector format. Magrit is designed for university cartography teaching, providing a complete, user-friendly, and versatile tool for creating thematic maps.