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I have been grumbling for a long time that Photoshop seemed to produce oversized images, but today I took a photo from the Web, clipped it in Photoshop, so it was slightly smaller, and resaved it using quality setting 7. I was astounded to discover that the saved image was almost three times as large as the original. I tried saving at progressively lower quality settings, and while the image became obviously degraded, the file size fell only very slightly. Even at quality setting 0 the new image was still almost 2.5 times the size of the original. What am I doing wrong?
I have made a demonstration page showing this effect at the web site below. The original photo was "borrowed" from the Canon web site.
http://www.corybas.com/Technical/Image_size.htm
James McNangle
I have made a demonstration page showing this effect at the web site below. The original photo was "borrowed" from the Canon web site.
http://www.corybas.com/Technical/Image_size.htm
James McNangle

How to Master Sharpening in Photoshop
Give your photos a professional finish with sharpening in Photoshop. Learn to enhance details, create contrast, and prepare your images for print, web, and social media.