How to Reduce Image Size on Mac

Kyle Wood

Mac, Tutorials

In today’s digital age, images play a crucial role in our online presence. From social media to websites, images are used to convey messages and capture attention.

However, high-resolution images can often take up a significant amount of space on our devices. If you’re a Mac user, fret not! In this tutorial, we will explore various methods to reduce image size on Mac, allowing you to save storage space without compromising the quality of your images.

Method 1: Using Preview

If you’re looking for a built-in solution that doesn’t require any third-party applications, Preview is your go-to tool. Here’s how you can reduce image size using Preview:

  1. Open the image in Preview: Launch the Preview application on your Mac by searching for it in Spotlight or locating it in the Applications folder. Then, open the image you want to resize by selecting ‘File’ > ‘Open’ and navigating to the image location.

  2. Access the ‘Adjust Size’ option: With the image open in Preview, click on ‘Tools’ in the menu bar and select ‘Adjust Size.’

    A new window will appear.

  3. Specify the desired dimensions: In the ‘Adjust Size’ window, you can enter either a specific width or height value or adjust both simultaneously by selecting the ‘Scale proportionally’ checkbox. As you make changes, Preview will display an estimated file size at the bottom of the window.

  4. Save the resized image: Once you’re satisfied with the new dimensions and estimated file size, click on ‘File’ > ‘Save’ (or use Command + S) to save your resized image.

Method 2: Using the Photos App

If you prefer using Apple’s Photos app for managing your images, you can also reduce image size within the app. Follow these steps:

  1. Open the image in Photos: Launch the Photos app on your Mac and locate the image you want to resize. You can find it in your library or within a specific album.

  2. Select the ‘Export’ option: Once you’ve opened the desired image, click on ‘File’ > ‘Export’ in the menu bar. A dropdown menu will appear.

  3. Choose a size preset: In the dropdown menu, you’ll find various size presets to choose from, such as Small, Medium, Large, and more.

    Alternatively, you can select ‘Custom..’ to specify your own dimensions.

  4. Adjust other export settings (optional): If desired, you can further customize your export settings by clicking on ‘Options’ in the export window. Here, you can adjust parameters like file format and quality.

  5. Export and save: After specifying your preferred size and any additional settings, click on ‘Export.’ Choose a destination folder and save your resized image.

Method 3: Using Third-Party Software

If neither Preview nor Photos meets your needs or if you desire more advanced features, there are several third-party applications available for reducing image size on Mac. Some popular options include Adobe Photoshop, GIMP (GNU Image Manipulation Program), and ImageOptim.

  • Adobe Photoshop: As a professional-grade image editing software, Adobe Photoshop offers extensive capabilities for resizing and optimizing images. However, it comes at a cost and may be overkill if you only need to resize images occasionally.

  • GIMP (GNU Image Manipulation Program): GIMP is a free and open-source alternative to Photoshop.

    It provides similar functionality and is suitable for users looking for a powerful image editing tool without the price tag.

  • ImageOptim: If your primary concern is reducing file size without compromising image quality, ImageOptim is an excellent choice. It’s a free application that optimizes images by removing unnecessary metadata and compressing them efficiently.

By following these methods, you can easily reduce image size on your Mac, whether you prefer using built-in tools like Preview or Photos or opting for third-party applications. Remember to consider the desired dimensions and file size before resizing to ensure your images look great while saving storage space on your Mac!

Now that you know how to reduce image size on Mac, go ahead and start optimizing your images for various online platforms!

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