How to Resize Image on Mac

Introduction

Resizing images on a Mac is a common task, whether you're preparing photos for a website, social media, or print. Mac users have access to several built-in tools and apps that make this process simple and efficient. This guide covers how to resize images using Preview, Photos, Luminar, and Instasize Web, along with some additional tips for optimal results.

How to Resize an Image Using Preview App

The Preview app on Mac is a versatile tool that allows you to view and edit images easily. Here's how to resize an image using Preview:

1. Open the Image in Preview: Double-click the image file, and it should open in Preview by default. If not, right-click the file, select Open With, and choose Preview.
2. Access the Adjust Size Tool: Go to Tools > Adjust Size in the menu bar.
3. Set New Dimensions: Enter your desired width and height. Make sure the Scale proportionally box is checked to maintain the aspect ratio.
4. Apply the Changes: Click OK to resize the image.
5. Save the Image: Go to File > Save or File > Save As (if you want to keep the original file intact).

How to Resize an Image Using Photos App

The Photos app is another built-in tool on Mac that you can use to resize images. Follow these steps:

1. Open Photos App: Launch the Photos app and select the image you want to resize.
2. Use the Edit Function: Double-click the image, then click Edit in the top right corner.
3. Access Crop and Dimensions: Click on the Crop button. Adjust the crop manually to resize by dragging the corners.
4. Export with New Size: To set specific dimensions, go to File > Export > Export 1 Photo. In the export window, you can choose the size under the Size dropdown menu.
5. Save the Image: Click Export to save the resized image to your desired location.

How to Resize an Image Using Skylum’s Luminar

Luminar by Skylum is a powerful photo editing software offering advanced editing tools. Here's how to resize an image using Luminar:

1. Open Luminar: Launch Luminar and open your image file.
2. Resize the Image: Go to the Edit module and choose Resize from the list of tools.
3. Adjust Dimensions: Enter the new width and height while ensuring the Lock Aspect Ratio option is enabled to maintain proportions.
4. Apply and Save: Click Apply to resize the image, and then save it to your desired location.

How to Resize an Image Using Instasize Web

Instasize Web is a user-friendly online tool perfect for resizing images quickly. Here’s how to use it:

1. Visit Instasize Web: Go to the Instasize website and click the plus icon to upload the image you want to resize.
2. Choose Aspect Ratio or Custom Dimensions: After uploading, select from preset aspect ratios or enter custom dimensions.
3. Export Your Image: Once satisfied with the dimensions, click export to download the resized image or get a URL to post the hosted image anywhere on the web.

Instasize Web is an excellent alternative if you prefer the convenience of online tools with advanced editing features.

Additional Tips for Resizing Images on a Mac

• Maintain Aspect Ratio: Always check the option to lock the aspect ratio to avoid distorting your image.
• Resolution Matters: Set an appropriate resolution based on the medium (e.g., 72 PPI for web, 300 PPI for print).
• Backup Originals: Always keep a backup of the original image before resizing to avoid data loss.
• Use Third-Party Apps: If built-in apps don’t meet your needs, consider third-party apps like Adobe Photoshop or GIMP for more advanced resizing options.

Conclusion

Resizing images on a Mac is a straightforward process thanks to the variety of built-in tools and software options available. Whether you're using Preview, Photos, Luminar, or Instasize Web, you now have several methods for achieving the perfect image size for any purpose. Follow this guide to resize your images efficiently and effectively. Happy editing!