Resize Your Images on Mac Using iPhoto or Preview

Using macOS has one advantage of being equipped with all the amazing applications that allow you to work on a number of important files. There are several such files that require manipulation, viewing and much more. You may have to read documents, edit pdfs, or take screen shots or resize images with iPhoto or Preview on macOS.

There are some ways with which you can resize your images on macOS. There are two very good applications that macOS offers, the iPhoto and Preview. Both of these applications are very much adequate for our task. The iPhoto is a predecessor of the famous Photo application and Preview is an all-rounder application that can perform reading documents, PDFs and view images.

Preview: Resize Your Images

The Preview application is one of the crucial apps in Mac OS. It is useful for a number of different tasks like signing PDFs with a touchscreen, viewing and manipulating images etc. The Preview app can perform quite good with the images. When it comes to their manipulation like resizing. It’s a very good application for photos than the other apps on your macOS.

To perform quick resize, this is one of the best applications to use. Preview does not require you to import the images into the library. The image can just be opened by double clicking or command clicking with the preview option. With this, it unlocks the aspect ratio of the image to allow free resizing.

Here is how to resize images with Preview:

  • Double click the image or select multiple images and open using Command-click to open with preview
  • Go to Tool > Adjust Size
  • Go to Fit into the textbox and insert your custom size or preset size.
  • Click on the padlock if you intend to freely resize your image.
  • Click OK and go to File > save to overwrite the image or
  • Go to File>Export to specify file format and image quality.

iPhoto: Resize Your Images with iPhoto

The iPhoto application was replaced with the new Photos application in past years. But if you are using Mac OS you probably have that iPhoto app on your computer. You can even go to the apple store and get the application on your system. In case you are using the older versions of Mac. You probably have only the iPhoto app and not the new Photos app.

If you intend to resize an image using iPhoto, you would need to add that image into the iPhoto library. If you are importing the images from some external imaging device, they might have already added into iPhoto library. Otherwise, you can drag the images and add them up. If there is an issue with photo library, you can get the photos by recovering of iPhoto albums.

Once you are done with adding images to the library then you may proceed to resize the images. The application keeps a hold on the aspect ratio and avoids the uneven resizing of the photos. Here is how you can resize images using iPhoto:

Launch the iPhoto application and select the photo to resize

  • Go to File > Export
  • Go to Size and select from preset sizes or insert your desired size
  • Choose custom size to specify the width and height or go to dimension
  • Click Export and save the file in a specific location.

You can choose the file type and compression quality along with the resizing of images with iPhoto. It also allows you to create a prefix for a series of images. If it is required the bulk of images are there that you want to process.

You can resize the images using these applications and export into the desired location. The Preview and iPhoto applications are two of the most interactive and easy apps on your Mac for image resizing.

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John Harris

Senior Editor, Content Analyst and a fan of exceptional customer service. John develops and publishes instructional and informational content regarding partition management, Windows hot-fixes, data management and computer troubleshooting.

As a tenured data recovery specialist, John shares exceptional insights and blog posts about data loss and data recovery across any storage device. With 8+ years’ experience in writing for Data Recovery for both Mac OS and Windows OS computers, he is an avid learner who always wants to polish and simplify the data recovery process. John passes his free time playing Chess and reading Science Fiction novels.

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