This is the main window of ImTOO Video Editor where you can select the application you need most. 

This is ImTOO Video Joiner that will allow you to put two or more video files together and create a new one. 

ImTOO Video Splitter is the tool you will be using when you want to turn a specific video file into segments. 

ImTOO Video Cutter enales you to adjust the start and end points of a video according to your preferences.