Final Answer:
To select the very end of an image before editing, you can use the "Shift" key in combination with the arrow keys.
Step-by-step explanation:
When working with images or text, holding down the "Shift" key while pressing the right or down arrow key allows you to select content from the current cursor position to the end of the line or document. This selection technique is useful for making precise edits, copying, or moving entire sections of an image or text. It provides a quick and efficient way to work with digital content, ensuring that the intended portions are included in the editing process.