How to Crop on Mac: Photo Cropping Easy Guides

Summary: This is a post that shares comprehensive tutorials to crop images on Mac, including using the Mac Photos app, Mac Preview, keyboard shortcuts, and a powerful image cropper.

crop a golden retriever dog image on mac

Are you annoyed by the photobombers or the discordant composition of your images? Find that the aspect ratio of the picture you took does not meet the requirements? Don't know how to handle imbalanced pictures on your Mac?

No worries, to fix these problems, all you need is to crop images or straighten images. Cropping is a basic skill you must master to create correct and qualified images in your daily life or workplace.

If you are still not familiar with crop on Mac, you need to learn image cropping techniques and skills to speed up your workflow. In this blog, we will share the most comprehensive guides on how to crop on Mac, from how to crop a photo on Mac Preview to how to crop pictures on Mac using the online image cropper. Let’s dive in!

How to Crop a Photo on Mac

Cropping photos is actually easy and there are many ways to crop images on Mac, including using the Photos app, Mac Preview tool, keyboard shortcuts to quick image crop, and much more. Let’s see how to crop pictures on Mac with the apps or tools mentioned above one by one!

How to Crop Images on Mac Photos App

If you have cropped photos on your iPhone or iPad with the Photos app, cropping images on the Mac Photos app is super easy because the steps for cropping images are almost the same, except that you are doing it on a different Apple device.

  1. Open the Photos app on your Mac, and find the image you want to crop.
  2. Double-click the images, and click the “Edit” icon to switch to the photo editing page of your Photos app.
  3. Find the “Crop” option at the top of the screen. Click it to start your picture cropping operation.
  4. There will be a toolbar popping up on the right of the screen, where you can find lots of crop image options.
  5. You can crop pictures automatically or manually. Even you can set the aspect ratio as needed, such as square, 16:9, 4:5, 4:3, and custom aspect ratios.

Click “Done” to save your cropped images on Mac Photos app.

How to Crop on Preview

Similarly, you can use the Mac Preview to crop images if you find there is something unqualified about your image ratios. Here is how to crop photo on Mac Preview:

  1. Open the images that you want to crop in the Preview.
  2. Drag to enclose the area of the image that you want to keep by using the mouse or the trackpad.
  3. When you are enclosing the image area, you can find the image crop dimension on the screen.
  4. After selecting the area, find and click the pencil icon (also the markup button) on the top of the screen. Besides, you can click the “Selection” tool to choose different image crop shapes, such as Rectangular Selection, Elliptical Selection, and Lasso Selection.
  5. Then, click the “Crop” icon on the top of the toolbar of Preview to crop images.

Finally, save your cropped images on your Mac.

How to Crop Photos on Mac with Keyboard Shortcuts

If you have mastered how to crop photos on Mac Preview or Photos app, now it’s time to learn to use the keyboard shortcuts to crop images quickly on your Mac. Check out the tutorials to crop pictures with the shortcuts below:

  1. First thing you should do is select the images that you want to crop on the Finder and press the “Cmd + O” on the keyboard to open the images in Mac Preview.
  2. Still, you need to select the photo cropping area manually.
  3. Then, press the “Cmd + K” on the keyboard to crop images.
  4. Lastly, press “Cmd + S” to save your cropped photos.
  5. Alternatively, if you are using the Photos app to crop pictures, you can press the keyboard shortcut “Cmd + C” to open the image cropping toolbar.

How to Crop Images with Online Image Cropper on Your Mac

Fotor online image cropper

Fotor allows you to crop images on your Mac as quickly and easily as you can.

One click image cropper & batch image cropper are available.

Crop Photos Now

More than that, you can crop images using some online image croppers because you can have more cropping services. Here we recommend you Fotor’s online image cropping tool. You can crop PNGs, JPGs, and JPEGs in Fotor. And whether you are cropping images for business use, or you just need to crop photo for Instagram, Fotor can meet all your requirements.

Moreover, Fotor not only provides you with basic image cropping options, but also allows you to crop images into various shapes, such as circle crop, triangle crop, and heart-shaped crop. Here is how to crop pictures with Fotor’s online image cropper:

crop a riding among the mountains image in fotor online image cropper
  1. You can quickly crop an image online using Fotor’s free image cropper. Firstly, open Fotor and upload the picture you want to crop.
  2. You can freehand crop the picture by dragging the corners of the crop box. To create the perfect picture composition, move the crop box until you're satisfied.
  3. Alternatively, you can choose from preset crop ratios or enter your desired width and height for cropping your picture. Make sure to click the “Keep Aspect Ratio” option if you want to keep the proportion of the original picture.
  4. When you’ve finished cropping, click the “Download” button to export the cropped photo. You can save it in high-quality JPG, PNG, or PDF format.

Surprisingly, Fotor allows you to batch crop images in its batch photo editor, which saves time when you are facing a pile of images to crop. Check out how to crop pictures in bulk:

batch crop flower images with fotor batch image cropper
  1. Click “Crop Batch Image” to open our batch photo editor.
  2. Upload your pictures by clicking "Open Image" or dragging and dropping them into the editing area.
  3. Click "Crop" and select the image size you want to crop. There are different template sizes below, which provide the common size used in different usages.
  4. You can also adjust the size of one of the photos individually by dragging the crop tool.
  5. After you're satisfied, click "Apply" to crop. And download your cropped images.


In this blog, we have shared how to crop a photo on Mac to help you create qualified images with step-by-step guides. There are many ways to crop pictures on Mac, so you can crop images on Mac Photos, Preview, using the keyboard shortcuts, or using the online image cropper.

When you are cropping a single image on Mac, you can use the first three ways we introduced. However, you should use the online image cropper to crop images in bulk when you have lots of images to crop. Hope you find this blog helpful!