How to Reduce an Image Size

Microsoft Paint is a built-in application that comes installed on every Microsoft Windows operating system. Microsoft Paint allows users to modify images in a variety of ways, including reducing image sizes. Reducing an image size decreases the file size of the image, allowing faster transfer through email or copying to portable media.

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Scale the proportions of an image using Windows applications.

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Launch Microsoft Paint. Click on "File" and select "Open" in the main menu bar of Microsoft Paint. Double-click on the image you want to reduce.

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Click on "Image" in the main menu bar once the selected image is accessed.

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Select "Stretch and Skew" under the "Image" menu.

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Type a number indicating the percentage you want to reduce the image in the "Horizontal" and "Vertical" entry boxes. These boxes are located in the upper-most "Stretch" section. To retain equal proportions, enter identical numbers.

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Click "OK."

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Press "Ctrl + S" if satisfied with the image modifications.

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Press "Ctrl + Z" to undo the image reduction and follow the previous steps until the desired image size is attained.