There are many benefits to flattening an image in Photoshop, but some of the most common are:

  1. You can make images look more even or even rounder. This can help them look more professional and less cluttered.
  2. You can make images look smaller or smaller in size. This can help them look more compact and easier to manage on a screen or printer.
  3. You can make images look smoother and less jagged. This can help them appear more polished and professional overall.