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I'm a complete novice to Photoshop CC and I feel like I'm missing something very obvious, but I can't find the answer. I want to re-size my 1024 x 748 image to 1024 x 768. When I look online, it simply refers me to the "Constrain Proportions" option box to accomplish this - for example, like in this pic:

enter image description here

However, when I go to the Image Size option, all I get is this:

enter image description here

I have no option to constrain proportions or not, and if I try to resize my height to 768, for instance, it tries to scale the width along with it, which I do not want and stretches the image. Am I missing something very obvious? Thanks.

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I don't have CC, but I would guess the chain icon serves the same purpose as Constrain Proportions. It looks like a clickable button –  JohnB Oct 2 '13 at 15:56
@JohnB, right you are. I can't believe I overlooked that - thanks much! –  Garmash Oct 2 '13 at 16:02
Feel free to post that as an answer and mark it accepted. I hesitate to myself since it was just a guess :) –  JohnB Oct 2 '13 at 16:04
Will do, thanks again! –  Garmash Oct 2 '13 at 16:13

2 Answers 2

up vote 4 down vote accepted

The chain icon serves the same purpose as the Constrain Proportions box in other editions of PS. Credit to JohnB

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Thank you, your answer helped me! :) –  yathrakaaran Jun 11 at 23:38

To keep an image proportional while changing only one dimension (either width or height), go to Image > Canvas Size, enlarge the canvas to the desired size. In this case, you'll have 20 pixels of space that will be blank, so you'll have to adjust the graphic accordingly.

Image Size with constrain proportions on (JohnB is right, that's the lock), will scale both width and height dimensions at the same time. That's how it keeps it proportional. For example, cutting a sheet of letter-size paper in half from top to bottom is the same as just changing the width. It's no longer the same shape. You'd have to cut it in half on both dimensions for it to remain proportional.

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