Image sharpening helps you to sharpen your images with the help of Photoshop. It helps you to increase the brightness of an image. When an image gets blurry, this tool helps to adjust with proper brightness and contrast on an image.

Learn more about Cropping:

Image Sharpening by Wikipedia

What Is Image Sharpening bu tutsplus

How Digital Image Sharpening Works, and Why You Should Use It by How to Geek

Image Noise

Image Size Units

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