|Digital image size in pixels and photo print size|
This article is about the relation between an image size in pixels and a photographic print size. First, it recommends the photographic print size for given digital image dimensions in pixels. Second, it finds the resulting pixels per inch value for a printed digital image with known linear and pixel dimensions.
|Inches to pixels and pixels to inches converter|
This online calculator converts inches to pixels and vice versa given the resolution in pixels per inch
|Adjusting picture/pixel sizes proportionally|
This online calculator adjusts the second dimension of a picture/video, given the new first dimension, keeping the original proportions
|Invert image colors|
This online calculator inverts image colors and produces photo negatives.
|Tips and tricks #13: Bitmaps and Pixel manipulation|
This article describes how to write calculators for an image manipulation