

The newly resized picture will be where you saved it to the Mac Finder, or it will be the old file if you saved over the existing image.


Open the image file you want to resize into Preview on the Mac, since Preview is typically the default image viewer you can just double-click a picture in Finder to launch into it.Locate the picture in the Mac file system that you want to resize.

In this walkthrough we will take a wide panorama image from the Grand Canyon and resize it from a very large wide resolution to a smaller image resolution, reducing the image dimensions and file size in the process. Note the method we are covering here aims to resize a single picture file, if you have multiple images to resize into the same dimensions you’d likely want to use this batch resize method for Mac instead. Whatever the purpose, we’ll show you the fastest way to resize a photo on the Mac using Preview. Additionally, resizing a picture can be useful to shrink down the file size of an image as well, since a smaller resolution tends to have a smaller file size footprint. There are many reasons to resize pictures, whether to make them better fit into a document, webpage, email, as a wallpaper, or for many other purposes.
