# Usage

First specify the original image width and height in the "Original image" area.
Alternatively you can use the "File→Open" menu item to retrieve a bitmap images dimensions.

Now choose the intended change:

- Decrease image
  Wximgsz calculates width/height pairs to decrease image size.
- Width range
  Specify minimum and maximum width.
- Height range
  Specify minimum and maximum height.

Click the "Calculate new image sizes." button in the center of the window.

The results are shown in the table on the right side.