How to Crop a Photo Using Paint.net. You can crop photos to remove unwanted items from the sides, top and bottom of a picture. Sometimes, it is easier to use other features on Paint.net once the photo has been cropped. Paint.net allows you to crop your picture using an ellipse or rectangle tool; here's how.
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Open Paint.net on your computer by clicking on the "Paint.net" desktop icon. You can also go through the program file to open the Paint.net program.
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Find the photo you want to crop. You can do this by clicking on the picture of the open folder located on the middle navigation bar.
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Access the tool selector menu on the third navigation bar. This will open a drop-down menu containing all of the tools available to use on the photo.
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Pick the "rectangle select" or "ellipse select" tool. The rectangle select tool allows you to crop your picture to a square or rectangle shape; the ellipse select tool allows you to crop your picture to a circle or oval shape.
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Move the cursor to the upper corner of the area that you want to remain. Hold the left mouse button down.
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Drag toward the bottom of the picture until the area you want to remain is completely in the dotted outline.
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Click on the "Image" button on the uppermost navigation bar. Select "Crop to Selection." This will crop the image to the area inside of the dotted outline.
