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Open the image file in Adobe Photoshop. |
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Select your image file. |
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Open your image file.
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Go to Image, then Mode.
Make sure 8 Bits/Channel is selected. You cannot
save a 16 Bits/Channel file as a JPG. |
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If possible, crop your picture. The
ideal size is 300 pixels in Width by 225 pixels in Height.
Press the Rectangular Marquee Tool. |
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Images in
Horizontal plane, should be cut on the sides a
little bit (as demonstrated on the left). Images in
Vertical plane, should
be cut on the top and bottom as much
as possible. (Note, the vertical pictures, in
the best case, should end up with a Width of slightly less
then 200 after the Height is changed to
225. This is explained in more detail later.) |
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Go to Image and press Crop.
(Note this image was actually not cropped for this
demonstration). |
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Go to Image, then select Image
Size... . |
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If the picture is in a
horizontal plane, only
change the
Width to 300 PIXELS (not
percent). If the picture is in a
vertical plane, only
change the
Height to 225 PIXELS
(not percent). In other words, the image size should be
as close as possible to 300
pixels in Width by 225 pixels in
Height.
IN ANY CASE, IT IS MORE IMPORTANT TO MAKE SURE THAT THE
HEIGHT IS AS CLOSE AS POSSIBLE TO 225 PIXELS.
You may crop the image again, as necessary to achieve
the ideal size. (Also note that Constrain Proportions
must be selected when changing image size). |
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Press OK and your image size is
reduced. |
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Go to File, then select Save As.... |
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Select the location where you want to save
the file. Input the number of available space under
File Name. Select JPEG Format. Press
Save. |
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Under Image Options select 12;
Maximum for the Quality, such that the arrow will point
to large file. Press OK. |
