500px x 500px image

A 300dpi image is suitable for an A4 page, but you can get away with using a lower dpi for a billboard, since people will be viewing it from further away. comma hair x two block pendek For digital images, the most important number is the number of pixels in the image rather than density A 500px x 500px image will always be 500px x 500px, no matter what the pixel density is