How to Resize an Image in Photoshop

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on February 21st, 2013 | 6 Comments

Resize an image in Photoshop. In this tutorial, you will learn how to resize an image using Adobe Photoshop. Resizing an image in Adobe Photoshop is a fairly simple task which does not require much Photoshop know-how. You should know beforehand that there is no magical way you can salvage picture quality and generate a much larger image at the same time. The actual resizing of the image is only a one-step process. However, this tutorial delves into much detail pertaining to resizing an image in Adobe Photoshop. 

1. Open whatever image you would like to work on in Adobe Photoshop. This is the image we will be using in this tutorial:

2. Go to Image > Image Size.

This will bring up the Image Size dialog box as shown below:

3. As you can see, the dialog box indicates various properties that pertain to the image that you loaded onto Adobe Photoshop. The number right next to “Pixel Dimensions:” points out the size of your image (the amount of space that this image occupies on your hard disk). In our case, the size of our image is 2.93 Megabytes. 

4. Also, if you look below the image size, you will notice here that Photoshop displays your image’s Width and Height in pixels. When you resize an image, you will notice that the Width and Height of your image changes and at the same time so does the size of your image. 

5. Now, resizing the image is fairly simple. All you have to do is enter the new dimensions in place of the old ones. So let’s say if I prefer to resize my image to one that is 600 pixels wide, all I have to do is type 600 in place of 1280; the same goes for the height. 

6. If you look below at the bottom of the Image Size dialog box, you will notice that the Constrain Proportions checkbox has been activated by default. The proportion refers to the mathematical value of the image width divided by the image height. Therefore, with this option activated, changing either the value of the width or height of the image will automatically change the other. So if you wish to give your image a custom width and height (one that is out of proportion by the way), you should uncheck the Constrain Proportions dialog box, and then enter the desired values.

7. We will play around a little with the image width and image height now. First, uncheck the Constrain Proportions checkbox, and then enter 600 as your image width, and 340 as your image height. Notice here that the image height entered here is actually less than the height value generated with Constrain Proportions activated. Also, do take note here that by reducing the image dimensions, you have at the same time managed to lower the size of your image. It has now reduced to only 597.7 Kilobytes. So now you have also learnt how to reduce image size but at the cost of several pixels. 

8. You are not bound to altering your image dimensions only in Pixels. You can change your image dimensions in Percent as well. For example: 50 percent of the original width will result in a value of the image width which is half the original value. This is a pretty neat option that you can use when you don’t intend on grabbing a calculator and then dividing the original dimensions by 2. 

The entire purpose of this tutorial was to show you how you can resize an image in Photoshop. There is always the question about picture quality. You can’t expect to enlarge your image to two times its original size, and expect to maintain the same picture quality. You will most definitely end up with a very blurry and rather unattractive image. On the other hand, reducing the image dimensions to half the original size will not do any damage to picture quality. This is because when you are reducing image dimensions, you are only throwing away pixels, not adding any.

 That’s it, babe.

Final Result:


6 Responses

  1. Posted on: 2-21-2013

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  2. salah
    Posted on: 2-28-2013

    How can I do If I want to resize multi photos together?

    • Roofi Sardar
      Posted on: 3-1-2013

      You can certainly resize multipile photos together. We might just post a small tutorial on it someday..

  3. Posted on: 8-17-2013

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