Paint Shop Pro provides a PNG Optimizer feature to assist you in saving PNG files that maximize quality while minimizing file size.
To optimize and save a PNG file:
Choose File > Export > PNG Optimizer to open the PNG Optimizer dialog. The preview windows show the current image on the left and the resulting PNG file on the right.
Do one of the following:
Configure the settings on the Colors, Transparency, and Format tabs, and view estimated download times on the Download Times tab. For more information, see Choosing PNG Optimizer Settings.
Click the Use Wizard button to let Paint Shop Pro guide you through the process. For more information, see Using the PNG Wizard.
Previewing images in a Web Browser