You're image size really depends on how much size you want to save I guess,
although also if you're willing to have some non-visible pixel lose you
could convert them as well. You can start playing around with 2048x1536 or
similar just keep in mind your aspect ratio.

Here's the for loop I use for creating thumbnails, use as needed:

for i in `find "$LOCDIR" -iname "*hqw*"`
do
  echo "$i"
  TN=`echo "$i" | sed 's/hqw/tn/'`
    echo "creating thumbmail for "$i" ..."
    /usr/bin/convert -resize 200x200 "$i" -background none -gravity center
"$TN"
done


On Wed, Sep 24, 2014 at 1:53 PM, <techlists@phpcoderusa.com> wrote:

>
> Hi,
>
> I have about 9GB of photos.  These images are 2560 X 1920 and are roughly
> 2mb each.  I assume I could get away with a much smaller image.
>
> What size should I reduce these to?
>
> During my research most suggest using ImageMagick from the command line.
> Is this the best practice?
>
> I'm sure I will want to use some type of script since I do not want to do
> this one by one.
>
> Thanks in advance for your help!!
>
> Keith
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