1. Reduce the size of the photograph to make it smaller for posting on the Web
2. Crop the photograph to emphasize the key part.
3. Adjust brightness and contrast to improve the image.
4. Correct the color balance.
5. Adjust color saturation.
7. Use filters to sharpen the photograph.
8. Convert color images to black and white.
9. Retouch dirt specks and scratches.
10. Remove/add backgrounds.
11. Add text to photographs.
12. Add layers to photographs.
13. Convert the photograph to another format.