Use the Sharpen adjustment to make the finer details in an image clearer. When you apply this adjustment, Pixelmator Pro finds any edges (touching light and dark pixels) in your image and locally increases the contrast to make those edges clearer.
Show Original: Click the Show Original button or press thekey on your keyboard to see what the image looks like without any color adjustments.
To reset your changes, click the Sharpen pop-up menu in the Tool Options pane and choose Reset.
The Sharpen adjustment nondestructively sharpens entire layers and selections. To sharpen a specific area in an image by drawing over it, check out sharpen under the Retouch tools.