There are a few different types of sharpen tools in Photoshop, each with its own specific purpose. The most common type of sharpen tool is the sharpening brush, which is used to sharpen individual pixels on the image. There’s also the Sharpen Image tool, which can be used to sharpen entire layers in an image. And finally, there’s the Unsharp Mask tool, which can be used to soften or remove sharp edges from an image. ..