Image::size is a perl module capable of determining image sizes from several common formats. it handles xpm, xbm, gif, jpeg, png, mng, the ppm family of formats (ppm/pgm/pbm), tiff, flashmx (shockwave flash version 6), wmf/emf, and more.

it supports additional file types through image::magick, and the included "imgsize" script provides access to image::size from the shell.