To crop an image after adding into design area, just click on image and select crop tool

The new popup show up

The image will be cropped with the exact position you put into the viewer.

There are some tweaks to make your image align better such as:

• Center: move selection to center of image
• Horizontal center: move selection align to horizontal center
• Vertical Center: move selection top align to middle
• Square: make selection square

After selected area, just press Save button