3 ms·Because then they will look sharper. You have to sharpen when you downsample images. Web design 101.by rorrr 14y agoBecause then they will look sharper. You have to sharpen when you downsample images. Web design 101.001sky 14y agoYes, every size photo should have size-specific sharpening. Large or Small. Doesn't matter, if you are expecting people to look at it ~seriously.andybak 14y agoOr you use an interpolation algorithm optimized for down-sizing.