Shrink an Image and Crop to Different Dimensions We’ll click OK to exit the dialog and then save the file. Because Scale Proportionally is selected, Height automatically changes to 100 to match. Then, with the image open in Preview, we’ll choose Tools > Adjust Size, make sure “pixels” is chosen to the right of the Width and Height fields, and enter 100 into the Width field. To shrink the image to the specified size, we’ll first make a copy in the Finder or we’ll open the file in Preview and choose File > Duplicate. We have a square headshot that we need to upload to an account, but the site won’t accept an image larger than 100 pixels square. Shrink an Image without Changing Aspect Ratio One note: You can resize images to be smaller with little or no loss of quality, but you can’t make images bigger without them looking fuzzier unless you employ specialized tools. That’s because Preview, which is built into macOS, can do many of these tasks with aplomb. These tasks are easily accomplished with professional graphics apps like Photoshop, but you don’t need to pay for or learn Photoshop for a quick resizing and cropping of an image. You might even need to cut out an 800-by-600 rectangle from a much larger image. Or maybe you have an iPhone 13 Pro photo that’s 4032 by 3024, but you need the long side to be 1280 pixels and the short side to be 800 pixels. Perhaps you have a large square headshot, but the site to which you’re uploading requires it to be exactly 100 by 100 pixels.
Click Export and choose where you want to save the image.Even those of us who don’t work with graphics professionally often find ourselves needing to resize images.Optionally, you can choose the file type, compression quality, whether to omit embedded location information, and pick a color profile if you like.Choose Custom to specify a maximum Width or Height, or choose Dimension to limit both width and height to the number you provide.Custom allows you to set your own size (in pixels). Under Size you can choose the Full Size, Large, Medium or Small presets.Click File > Export 1 Photo (or however many you are resizing).If you have images from the web or other sources, you can drag them onto the Photos window or click File > Import from the menu bar.įrom there, here's how to resize an image in Photos: Images you add from your iPhone, digital camera, or SD card should already be in your library.
You'll need to import an image into your library before you can edit it in Photos. It lets you edit RAW photos, import your own custom filters, and even create slideshows. As it turns out, you can use Photos for more than looking at your images. Nowadays, most people are more familiar with the Photos app than its predecessor. Apple replaced iPhoto with the new Photos app in 2015.
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