snapWonders now supports PNG files and this feature became available during mid May 2020.
PNG stands for Portable Network Graphics which is a raster-graphics file format that supports lossless data compression. PNG was initially developed as an improved, non-patented replacement for Graphics Interchange Format (GIF files). Although the very early versions of the PNG specification had no real provisions for storing metadata. The later revisions include special PNG chunk structures for storing metadata or embedded into the various textual/binary-text chunk structures.
PNG is the format likely to be the chosen by your smartphone if you "screenshots" your screen. Depending on your smartphone, snapWONDERS will be able to inform you whether the PNG was in fact a screenshot photo. This is because there is subtle clues placed into the metadata that identifies hat it was a screenshot.
We have added a label "Image Type" which now informs you on the image type as shown below:
