How to Use Preview to Remove a Background from an Image

Step-by-Step Guide

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   Step 1: Right-click on the image you want to edit and press Open with > Preview.

   It is located to the left of the search bar and titled "show markup toolkit."
   
   Then select Lasso collection., To draw, hold down and drag., After you have drawn around the object successfully (the way you know is by checking the black and white lines around your object are moving) click the "Crop" button to far-right of the drop-down menu.,
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   Step 2: Look at the top-right of the window until you see the button with the symbol of a toolbar on it.

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   Step 3: In the drop-down menu

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   Step 4: select the small arrow to the right of the first option on the left.

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   Step 5: Draw around the object which you want to extract from the background.

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   Step 6: Crop it.

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   Step 7: Make sure you save the changes before closing.

Detailed Guide

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