Bandicam is a screen capture utility developed by South Korean software company Bandisoft that can take screenshots or record screen changes. Bandicam consists of three modes. One is the 'Rectangle on a screen' mode, which can be used for recording a certain area on the PC screen. The other is the 'DirectX/OpenGL window' mode, which can record the target created in DirectX or OpenGL And the last is HDMI Device recording mode which records webcam and HDMI devices.