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Resolution, scale and cropping images.

Posted 21/7/2021

I thought I'd share some advice about image resolution, about why it's important to ensure images are high quality, why not to enlarge an image, and why cropping images can be helpful. I hope this is useful! 

 

Resolution

Image resolution is the number of dots or pixels per inch. The higher the resolution the better the quality of the image. It’s important that a photo is good quality (high resolution) to begin with, as its resolution can’t be improved further down the line. It’s also important to think about how you store or transfer image files; for example sending an image via Facebook messenger or uploading and then downloading an image from a social media platform will decrease the image’s quality. Ideally an image would be 300dpi, but for use onscreen 72dpi is usually high enough resolution.

Scale

Reducing the size of an image is fine, it will still be a high resolution (as long as it was high resolution to start with), however you should never increase the size of an image as you’ll see that it loses quality. This is particularly important if you’re printing an image or a design that includes an image. You need to make sure the image you use to start with is big enough in its original state.

 

Crop

Cropping an image is fine, and often very useful. There are options of iPhones, for example, to crop an image from a traditional landscape or portrait format into a square. This is very useful for platforms such as Instagram which uses square images to create the grid. If your image is a square to start with, you can ensure the grid will look exactly as you have planned it.

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