1. Click on the picture and select Crop on the toolbar.



  2. Drag the borders of the image to crop it to the area you need.



  3. You can move the frame to select a desired fragment. 



  4. Once you've chosen the desired portion of the picture, click Save.



  5. Click Cancel to leave the Crop Image page. The changes you've made will not be applied.



  6. To undo changes, click the picture and select Crop again.



    Then, click Undo Crop and Save.