Join Multiple PNG Files Into One Software - Version 7.0 This software offers a solution for users who want to join multiple PNGs into one. The user simply chooses the required PNG files or an entire folder before starting the joining. Files will be joined horizontally or vertically in the order they are listed by the user; the order can be changed with Move Up and Move Down buttons. Using this time saving software, a large number of files can be joined with just one click.