In this blog post I have some edited pictures of clouds in different formats.
This first format is the gif, here the cloud is too sharp to be usable in a professional shoot and that's due to the fact that gifs are normally animated and to have an alpha channel that fades in a gif format would be too much for it.
The next format is the jpeg, it overall has the best quality of the three but does not have an alpha channel behind it causing it to have a white background that steals the contrast.
The last format is the png and its quality is good for general photo due to its normally smaller file size it also gets rid of a white background that jpeg has.
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