Resizing an image on a Mac computer is simpler than on an iPhone. This guide will present different scenarios where resizing your images could be beneficial. We’ll walk you through the process of adjusting the size of an image on a Mac using Preview, Pages, Photos, and the Mail app. We’ll also share some free tools you can use for resizing images on a Mac. There are several reasons why you might need to change the size of your pictures. Here are some of the most common:
If you’re adding pictures to your website, you may want to avoid using up all the storage space on your server.Some websites have specific size requirements for the images you upload.When sharing pictures with others, the original, high-quality files might be too large to send easily.If you’re printing a picture, you may need it to match specific dimensions or quality requirements.
These examples demonstrate why adjusting the dimensions of your pictures is sometimes necessary, ensuring they meet your needs without sacrificing quality or usability. We’ve provided several methods to help you manage your image sizes effectively, whether you’re a beginner or more experienced.
1. Resize an Image on a Mac Using Preview
To resize an image on your Mac, you can use Preview, the default app for viewing images. It’s straightforward for basic tasks like resizing your image. Preview supports many standard image formats, including JPEG, JPG, TIFF, PNG, and more. If the “Scale proportionally” option is checked, changing one dimension will automatically adjust the other to keep the image’s proportions the same.
↪ Resize multiple images at once using Preview
You don’t have to resize each photo individually on your Mac. Preview allows you to resize multiple images at once. Here’s how:
↪ Cropping an image in Preview
Cropping an image in Preview is also straightforward. Here’s how to highlight just the portion of the photo you wish to keep:
2. Resize images on a Mac with Pages
If you’re using the Pages app on your Mac for documents, resizing pictures within your Pages files is easy. Here’s how: After entering new numbers for width or height, the picture will resize immediately in your document.
3. Resize images on a Mac using the Photos app
The Photos app, which replaced iPhoto in 2015, is frequently used by many. Besides viewing photos, it lets you edit RAW images, apply custom filters, and even create slideshows. Before editing, you need to add the photo to your Photos library. Pictures from your iPhone, digital camera, or SD card are likely already there. For external images, drag them into the Photos app or choose File > Import. Here’s how to resize a photo in Photos:
4. Resize images on a Mac in the Mail app
If you’re trying to send a large picture through the Mail app on your Mac and it’s too big, you can resize it directly in the Mail app. Large images can be problematic if the recipient’s email server blocks them. Here’s how you can resize an image using the Mail app:
