General Screen capture file size iOS 11


i took screen capture of ipad pro 9.7 screen , file size 9 megabytes. normal? don’t recall them being large before.
 

screen captures in png , vary in size depending on compressibility of what's on screen.

unlike jpg @ compressing smooth tonal changes, png best @ compressing large areas of same color, geometric shapes, , on; sort of thing found in screenshots. if screenshot had photograph in it, explain size. compare, open safari blank (white) page , take screenshot; should tiny.

png lossless screenshots screen did when take them. if screenshots used jpg they'd lousy.
 


Forums iPhone, iPad, and iPod Touch iOS iOS 11


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