It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Simple video editing program for both Mac and PC with a free version. Support available at https://www.nchsoftware.com/videopad/support.html and video tutorials at https://www.nchsoftware.com/videopad/tutorial.html#interface