Convert md2 to x

What is the difference between .md2 and .x?

Description: The MD2 file type is a file format used to store 3D model data for use in computer games developed with the Quake II engine. It is a compressed mesh format that stores vertex and texture coordinates that can be used to render a 3D character or object. It is designed to allow for efficient rendering and can be used to create animated models.; X is a DirectX Model image file used by DirectX technology which is for 3D graphics rendering in games. The file format specifies 3D object structures for meshes, textures, animations, and objects.