OpenShot is a very simple yet pretty powerful video editor that you will ever get to use nowadays. This software is developed by OpenShot Studios. It is available for Windows, Mac OS, and Linux. This free tool can help you trim the videos and then combine them. This will give you a proper video in which you can release it online. With this, you can add effects to the video and remove the background too. It provides a feature that can invert the colors, adjust brightness and other color settings to make your video clearer. There are a lot of free plugins available for the tool. There are other great features like 3D animation, Slow Motion and Time effects which will let you give a soul to your videos. It is available in over 70+ languages.