PDF (adobe.com)

Preserve visual content when scaling images

  1. (Optional) Choose Select > All if you’re scaling a Background layer.
  2. Choose Edit > Content-Aware Scale.
  3. Specify any of the following in the options bar:
    Reference Point Location 
    Click a square on the reference point locator  to specify the fixed point around which the image is scaled. By default this point is at the center of the image.

    Use Relative Positioning For Reference Point 
    Click the button to specify the new position of the reference point in relation to its current position.

    Image Size
    Scales the image to a specific size. Enter X-axis and Y-axis pixel dimensions. If desired, click Maintain Aspect Ratio .

    Scaling Percentage
    Specifies the image scaling as a percentage of the original size. Enter a percentage for the width (W) and height (H).

    Amount
    Specifies the ratio of content-aware scaling to normal scaling. Specify a percentage for content-aware scaling by typing in the text box or clicking the arrow and moving the slider.

    Protect
    Chooses an alpha channel that specifies an area to protect.

    Protect Skin Tones 
    Attempts to preserve regions that contain skin-tones.

  4. Drag a handle on the bounding box to scale the image. Press Shift as you drag a corner handle to scale proportionately. When positioned over a handle, the pointer becomes a double arrow.
  5. Click either Cancel Transform  or Commit Transform .