How to Set Image Export Format to PNG in Snapseed App?

How to change Snapseed image export format to PNG? How to make Snapseed app to export images in PNG format? How to Set Export Image Format to PNG in Snapseed App? How to export images as PNG in Snapseed app? How do you export images from Snapseed app to png?
If you want to change format of Snapseed app from JPG to PNG then please watch this video?
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