Photoshop includes a variety of tools to manipulate your images. The Pen Tool includes a freeform function to select any part of a photo. Many options exist to manipulate selected portions of a photo in Photoshop. All of the basic image editing functions such as brightness, contrast, color, levels and exposure work with selections. Additional possibilities such as enlarging portions of a photo are possible with selections.
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Open the photo you plan to work with in Photoshop. Click and hold the mouse over the "Pen Tool" in the palette on the left side of the Photoshop interface. Hover the mouse over the icon if you aren't sure which icon is the Pen Tool. A tool-tip appears providing the name of the tool or function, this works for all the buttons in Photoshop.
Click the "Freeform Pen Tool" option. Click and drag around the object you want to enlarge to outline it. Right-click the image and select the "Make Selection" option. Click "OK."
Press the "Ctrl" and "T" keys to transform the object. Click and drag the box to the desired size. Click the check mark icon at the top of the Photoshop interface.
Click the "Healing Brush" on the tool palette at the left side of the Photoshop interface. Click and drag the Healing Brush over any white spaces. Click the "Save as" option in the "File" menu to save the image under a new name.