6.15. Flip Horizontally; Flip Vertically
You can flip the image, or turn it over like a card, by using the Flip Horizontally or Flip Vertically commands. These commands work on the whole image. To flip a selection, use the Flip Tool. To flip a layer, use the functions of the Layer → Transform menu or the Flip Tool.
6.15.1. Activate the Commands
You can access the horizontal flip command from the image menubar through Image → Transform → Flip Horizontally.
You can access the vertical flip command from the image menubar through Image → Transform → Flip Vertically.