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Resizing Photos for Web Use using
Adobe Photoshop
Start with an image to which you
have finished making adjustments
such as cropping, lightening etc.
The next step is to shrink the
dimensions of the image and also
the actual size of the file to make it
web suitable. This is where a basic
understanding of resolution will
come in handy so here goes!
Your monitor shows you images
at a screen resolution of 72dpi
(dots per inch) – any more
dots per inch are wasted as the
screen is incapable of displaying
anything higher. However, if
you were to print the image at
72dpi, it would look like a very
poor newspaper image after it
had been photocopied several
pop up box shown on the top 22.8M – huge! If I change the
times! So, if you want to print an
right of Screenshot 1. This shows 72dpi to 300dpi, the dimensions
image, you would need to size it
the pixel dimensions and the will shrink to a more manageable
at 300dpi.
resolution of the photo so you size but because the number of
can see that at 72dpi, my camera pixels hasn’t changed (just more
Under “Image” in the top menu,
produces a file that is 121cm x squashed into that inch), the file
there is an option called “Image
81 cm – way too big for any web size stays the same and the photo
Size” – click this and you get the
use. The file size is also shown is now suitable for printing
 ukhandmade Spring 2009
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