XYZviewer (.xyz file format visualiser)
Calistry XYZview is a simple tool to visualise .xyz file online. The ".xyz" file format is one of the most common formats for saving molecular coordinates. The .xyz file contain only the coordinates of the atoms in a system. The fille format is very easy. The first line states the number of atoms that are in the system. The second line is a description line, and from the 3rd line to the (n+3)th line the coordinates of the atoms are written. The file format (of benzene) is pictorially given below:
To get you started here is a link of an example xyz file. Download here.