JFuse's main window allows you to search for video files on your computer. You can play selected files, merge/join them, reset files or play merged media file. 

In the File Fission/Splitter tab you are able to select files you want to splitt and the output path for the new files. 

The Media Library allows you to scan for new files, import them from folders and play them like in any video player. 

The Settings menu allows you to set JFuse to autoplay files after merging, set movie player, memory settings and merge mode. 

In the Tools menu you are able to import files into media library, clear media library, import all media files into library or remove all media files from hard drive.