It is implemented in pure Java and independent of Java AWT (ImageIO). It can be easily used with Android or JavaFX. Currently only true color images are supported, support for grayscale images is ...

Learn how to balance ImageJ PNG compression quality and file size for storage and sharing. Find out how to adjust, compare, optimize, and batch compress your PNG files with ImageJ.

A PNG file is a Portable Network Graphics file. Open one with any browser or image program, like Preview (Mac) or Photos ...