D3DGear is an advanced utility for Windows DirectX & OpenGL game. It automatically measures 3D game frame rate and display frame rate on screen; user can customize font color, size and position of frame rate. D3DGear can capture 3D game screenshot with the press of hotkey, and automatically save screenshots into file; user can defined screenshot hotkey, save file format and save file directory. D3DGear as well can record 3D game to movie.