“1284x855 pixels is too big for most people. (Not me though...with my hi-speed internet access.)”
1284x855 is actually a small file. Regardless of the size of the display, the bit size of the original is what is uploaded.
See how easy that was?
Regardless of the size of the display, the bit
size of the original is what is uploaded.
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But you can change the size by simply
changing the width/height numbers.
That will become the new FR numbers.