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How Do You Keep the Aspect Ratio While Resizing an Image?

Published in Image Resizing 2 mins read

To keep the aspect ratio while resizing an image, ensure the "Maintain aspect ratio" option is selected in your image editing software. With this option enabled, changing either the width or the height will automatically adjust the other dimension proportionally.

Here's a breakdown of how this typically works:

  • Locate the Resize Option: Most image editing programs (like Microsoft Paint, Adobe Photoshop, GIMP, etc.) have a "Resize" or "Image Size" option, often found under the "Image" or "Edit" menu.

  • Find the "Maintain Aspect Ratio" Setting: Within the resize dialog box, look for a checkbox or similar setting labeled "Maintain aspect ratio," "Keep proportions," or something similar.

  • Select the Option: Check or enable this option.

  • Enter a New Value: Now, enter either the desired width or the desired height. The software will automatically calculate and update the other dimension to maintain the original proportions of the image. For instance, in Microsoft Paint, as stated in the reference, once the "Maintain aspect ratio" is selected, entering the horizontal value (width) or the vertical value (height) will automatically update the other value.

Example using Microsoft Paint:

  1. Open your image in Microsoft Paint.
  2. Go to the "Home" tab and click "Resize" in the "Image" group.
  3. In the "Resize and Skew" dialog box, make sure the "Maintain aspect ratio" checkbox is checked.
  4. Enter either a new horizontal or vertical value. The other value will automatically adjust.
  5. Click "OK."

Why is Aspect Ratio Important?

Maintaining the aspect ratio prevents your images from becoming distorted. Without it, the image might appear stretched or squashed, losing its original aesthetic appeal and potentially misrepresenting the subject.

In summary, the key to resizing an image while preserving its aspect ratio is to enable the appropriate "Maintain aspect ratio" setting in your image editing software before making any size adjustments.