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change multiple photo sizes at once

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nick vincent
change multiple photo sizes at once
on Apr 30, 2009 at 4:09:52 pm

My buddy shot a few thousand pics, on his Digital XLR at 4mb each for a slide show, Can you resize them all at once as a group?
Thanks, nick
mkummel@rain.org & nickbub@hotmail.com

nick vincent


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Mike Boden
Re: change multiple photo sizes at once
on Apr 30, 2009 at 7:30:35 pm

Yes you can. You'll need to setup an action within Photoshop that records the following steps:
  • "Open"
  • "Image Size"
  • "Save As"
  • "Close"

Create this action with any particular image. During the creation, simply "Save As" to the desktop as "Foo.jpg" or whatever. It doesn't matter. You can immediately delete this image afterwards.

Then you run a batch process (File/Automate/Batch...).

In the Batch dialogue window:
  • Select the new action you just created
  • Select the folder with your source files
  • Select a destination folder

Next, there are a few rules to follow that are a little counter-intuitive.

Check the following check-boxes in the Batch dialogue window:
  • Override Action "Open Commands
  • Suppress File Open Options Dialogue
  • Suppress Color Profile Warnings
  • Override Action "Save As" Commands

As an additional suggestion, I create two actions...one for horizontal images and another for vertical images. That way, if I want all the horizontal images to be 640px wide and the vertical images to be 640px tall, I can achieve this.

For horizontal action:
Enter 640 into the "Pixel Dimensions/Width" field of the "Image Size" dialogue window.

For vertical action:
Enter 640 into the "Pixel Dimensions/Vertical" field of the "Image Size" dialogue window.

In both cases, make sure that you have all check-boxes checked in the "Image Size" dialogue window.

Before running the batch process, separate the horizontal images into one folder and the vertical into another. This can be easily done within Bridge.

I hope this helps. Good luck.

------------------
Mike Boden
http://www.mikeboden.com


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Richard Harrington
Re: change multiple photo sizes at once
on May 10, 2009 at 5:43:55 pm

WHile an elaborate workflow.. you're making it harder than needed.

Simply use File Script Image processor and enter a not to exceed size

Richard M. Harrington, PMP

Author: Photoshop for Video, Understanding Adobe Photoshop, Final Cut Studio On the Spot and ATS:iWork


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