png(5) on macOS
The text 4f4d69ffa55b, as Mac OS X 10.7.5, Mac OS X 10.7.4, Mac OS X 10.7.3, Mac OS X 10.7.2 shipped it.
Portable Network Graphics (PNG) format
The text 4f4d69ffa55b, as Mac OS X 10.7.5, Mac OS X 10.7.4, Mac OS X 10.7.3, Mac OS X 10.7.2 shipped it.
Portable Network Graphics (PNG) format