As commented previously ImageMagick does the trick. I just wanted to add a point for GraphicsMagick, an old fork of ImageMagick that has some improvements (and much less dependency bloat when installed via fink).
As commented previously ImageMagick does the trick. I just wanted to add a point for GraphicsMagick, an old fork of ImageMagick that has some improvements (and much less dependency bloat when installed via fink).