Some comments mention GraphicsMagick as an alternative so a fyi... I made previous comment[0] explaining why I initially used GraphicsMagick but it didn't work

Some comments mention GraphicsMagick as an alternative so a fyi... I made previous comment[0] explaining why I initially used GraphicsMagick but it didn't work for Photoshop PSD files so I had to switch to ImageMagick. [0] https://news.ycombinator.com/item?id=12825536 https://news.ycombinator.com/item?id=12825536