Make Pictures Transparent In Picture. Just drag and drop your image in this tool adjust the transparency color and the image will automatically get this color replaced with empty pixels. Free quick and very powerful.
The preview window displays the result. As you paint with the markers the tool renders the image background transparent in real time. Navigate to the Picture Tools Format tab.
In the future access this tool from the menu Edit Transparent Background.
Download the transparent image in PNG format. Select the image you want to make transparent. Once process completed preview will be displayed in canvas and download button will be enabled. The final image with the transparent background can either be used on the presentation or saved as a transparent PNG.