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Load an image to start selecting a part.

On a phone or tablet, draw directly using your finger.
No image loaded. No selection
Rectangle and ellipse: drag across the image. Freehand: draw around the required part. Polygon: tap or click to add points, then use “Finish polygon”, double-click, or press Enter. Brush: paint over the part that must be selected. Hold Shift while drawing a rectangle or ellipse to create a square or circle.