![]() Resampling should be used if you’re trying to prepare images for the web or for print as you’ll fit your image’s number of pixels per inch (PPI) into specific PPI targets. That’s why the resolution, which is defined by the PPI, increases from 72 pixels per inch to 133 pixels per inch after resizing the image. This means that the number of pixels per inch (PPI) will be increased since we have to squeeze the same amount of pixels in a smaller area. Let’s take a step back and understand what we just did: we’ve basically asked Preview to keep the same amount of pixels in the picture, while reducing its size by almost 50%. When we prevent Preview from resampling the image, the resolution increases dramatically when downsizing an image Let’s resize the image from the current 55×83 inches dimensions into 30×34 inches. This is understandable because this option changes the number of pixels, which is exactly what we don’t want to do since we’ve unchecked the option to resample images. ![]() Let’s uncheck the box on the previous example to see how it works.įirst you’ll notice that you can no longer resize the image according to Pixels. Resampling an image means changing the number of pixels in the image as you resize it. What does the Resample image option do in Preview? What is resampling?
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