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Crop images
Cropping is the process of removing portions
of an image to create focus or strengthen the composition. You can
crop an image using the Crop tool and the
Crop command. You can also trim pixels using the Crop And Straighten
and the Trim commands.
 Using the Crop tool
Crop an image using the Crop tool- Select the Crop tool
.
- (Optional) Set resample options in the options bar.
To crop the image without resampling (default),
make sure that the Resolution text box in the options bar is empty.
You can click the Clear button to quickly clear all text boxes.
To resample the image during cropping, enter values
for the height, width, and resolution in the options bar. The Crop
tool won’t resample the image unless the width and/or height, and
resolution are provided. If you’ve entered height and width dimensions
and want the values quickly exchanged, click the Swaps Height And
Width icon .
 You can click the triangle next to the Crop tool
icon in the options bar to open the Tool Preset Picker and select
a resampling preset. As with all Photoshop tools, you can create
your own Crop tool preset. See also Create and use tool presets.
To resample an image based on the dimensions and
resolution of another image, open the other image, select the Crop
tool, and click Front Image in the options bar. Then make the image
you want to crop active.
Resampling while cropping uses the default interpolation
method set in the General preferences.
- Drag over the part of the image you want to keep to create
a marquee. The marquee doesn’t have to be precise—you can adjust
it later.
- If necessary, adjust the cropping marquee:
To move the marquee to another position,
place the pointer inside the bounding box and drag.
To scale the marquee, drag a handle. To constrain
the proportions, hold down Shift as you drag a corner handle.
To rotate the marquee, position the pointer outside
the bounding box (the pointer turns into a curved arrow), and drag.
To move the center point around which the marquee rotates, drag
the circle at the center of the bounding box. The marquee can’t
be rotated in Bitmap mode.
- Set options to hide or shield the cropped portions:
Specify whether you want to use a cropping
shield to shade the area of the image that will be deleted or hidden.
When Shield is selected, you can specify a color and opacity for
the cropping shield. When Shield is deselected, the area outside
the cropping marquee is revealed.
Specify whether you want to hide or delete the cropped
area. Select Hide to preserve the cropped area in the image file.
You can make the hidden area visible by moving the image with the
Move tool . Select
Delete to discard the cropped area.
The Hide option is not available for images that contain
only a background layer. If you want to crop a background
by hiding, convert the background to a regular layer first.
- Do one of the following:
To complete the crop, press Enter (Windows)
or Return (Mac OS), click the Commit button in
the options bar, or double-click inside the cropping marquee.
To cancel the cropping operation, press Esc or click
the Cancel button in the
options bar.
Crop an image using the Crop command- Use
a selection tool to select the part of the image you want to keep.
- Choose Image > Crop.
Crop an image using the Trim commandThe Trim command crops an image by removing
unwanted image data in different ways than the Crop command. You
can crop an image by trimming surrounding transparent pixels, or
background pixels of the color you specify.
- Choose
Image > Trim.
- In the Trim dialog box, select an option:
Transparent Pixels to trim away transparency
at the edges of the image, leaving the smallest image containing
nontransparent pixels.
Top Left Pixel Color to remove an area the color
of the upper left pixel from the image.
Bottom Right Pixel Color to remove an area the color
of the lower right pixel from the image.
- Select one or more areas of the image to trim away: Top,
Bottom, Left, or Right.
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