As a Mac user, you may want to resize your images for various reasons – sending them via email, posting on social media, or saving in a particular format. There are two easy ways to do this without installing any additional software – using the Photos app or the Preview app.

Option 1: Resize Images with Photos App

The Photos app is the default photo management app on Mac and has a wide range of features, including resizing images. Here are the steps to follow:

1. Open the Photos app on your Mac and select the image(s) you want to resize.

2. Click on the “File” tab in the menu bar and select “Export”.

3. In the export window that pops up, select the format you want to save the image in – JPEG or PNG.

4. Under the “Size” section, select “Custom”.

5. Use the slider or enter the desired pixel size for either the shorter or longer side of the image. The other side will be automatically adjusted proportionally.

6. Once you have set the custom size, click “Export” to save the resized image.

Option 2: Resize Images with Preview App

Preview is another built-in Mac app that can open and edit various file types, including images. Here’s how to resize images with Preview:

1. Open the image you want to resize in Preview.

2. In the menu bar, click on “Tools” and select “Adjust Size”.

3. In the window that appears, enter the desired pixel size for either the width or height of the image. The other side will be adjusted proportionally.

4. Make sure the “Resample Image” box is ticked to ensure the image quality is maintained.

5. Click “OK” to apply the changes, and then save the resized image by clicking on “File” and selecting “Export”.

Final Thoughts

Resizing images can be a straightforward process on Mac using either Photos or Preview apps. Both of these applications are built-in and easy to use. However, if you need more advanced photo editing features, you may want to consider using a dedicated image editing app like Adobe Photoshop or Luminar.