1. Peakpx
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2. cabbage
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3. online crop

"cabbage" image original width is 4185px, original height is 3295px, you can crop it to any sizes with width less than 4185px and height less than 3295px. drag area with blue border below to select which to crop, double click dark area to toggle "drag" and "crop" mode, use your middle mouse button to zoom in or zoom out, then click blue button to download cropped image.