PresentMon graph creator is a little tool to create a simple png image showing avarage, max and min FPS of an application, monitored with PresentMon, using a csv file generated by it. You run it from powershell with "C:\to\path\graph.ps1" where "C:\to\path" is the place where you downloaded your "graph.ps1". Check the wiki for more informations about customization.
An example of input and its image output: An example of execution with arguments: