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Photoshop will not discard image data (if any) that is not currently visible on your screen. Also, in case you have only background layer it will be converted to normal layer. This is particularly useful when you want to crop image to different aspect ratio (ratio is width vs height) or to discard some parts of the image. Let's say you have image with dimensions 4000x3000px what is 4x3 aspect ratio. If you want to change dimensions to 1000x750px what is same aspect ratio (4x3) then you can type that dimensions in Options bar while using the Crop Tool and there is no actual benefit of unchecking Delete Cropped Pixels option if you want to keep image as it is without discarding some portion of it. It will be the same as using Image > Image Size dialog. The only benefit is that Background layer will be converted to normal. What if you want to change aspect ratio or to use same aspect ratio but to select only one portion of entire image? That is situation where this option comes handy. You can use same aspect ratio (you can crop to any specific dimensions using same or different aspect ratio) and to select only one portion of the image using the Crop Tool. When you hit Enter, Photoshop will display on your screen only selected portion of the image and remaining part which was outside of crop shield will still be there, you just do not see it on your screen. Select the Move Tool, click on the layer with image and drag to start revealing parts of the image which are hidden but not permanently discarded (parts that was outside of crop shield).
What else can I help you with?
How can I crop an image in Photoshop without maintaining the original aspect ratio?
To crop an image in Photoshop without maintaining the original aspect ratio, you can use the "Crop Tool" and then uncheck the "Delete Cropped Pixels" option in the toolbar. This will allow you to freely adjust the crop boundaries without constraining the aspect ratio.
How do you extract pixels from an image?
With selection tools available in Photoshop like: Lassso tools, Magic Wand, Quick selection. With selected pixels you can do whatever you want: delete them, change or mask or create new layer from selected pixels.
What is non destructive photo editing?
It means you are not working directly with pixels, you are not changing original pixels and always can delete layer with changes you made and original picture pixels will not be affected. Primer is when you work with Adjustments layers in Photoshop. See related link
Photoshop supports document upto 400000 pixels?
Photoshop supports a maximum pixel dimension of 300,000 by 300,000 pixels per image.
Are feather settings measured in pixels in photoshop?
Yes.
What is PPI in Adobe Photoshop?
Pixels per inch.
How can pixels be blurred in Adobe Photoshop CS4?
Filter -> Blur
What do you mean by Resolution in Photoshop?
Its the amount of pixels per inch
What is dodging in Photoshop?
Dodging is lightening pixels, Burning is opposite.
What is healing in Photoshop?
Replacing and blending pixels at same time.
How can I crop freely in Photoshop?
To crop freely in Photoshop, select the Crop Tool from the toolbar and adjust the crop boundaries by clicking and dragging the handles. Press Enter to apply the crop. You can also use the "Delete Cropped Pixels" option to remove the cropped areas permanently.
What is resulation in photoshop?
Photoshop is an image editing program. Resolution is the term used for how dense an image is pertaining pixels. Photoshop can handle any range of resolution as long as the computer has enough speed and enough RAM (Random Access Memory) to handle large resolution images. Within Photoshop, resolution refers to pixels per a measure of length. In the US, it is usually measure as pixels/inch. In Europe, pixels/centimeter. A pixel is the smallest "part" of an image, so higher the pixel/inch gives the image more detail and "crispness."
