# PNG (Portable Network Graphics)

Extensions: .png

Developer: PNG Development Group

Support

BSD-licensed:

Export:

Officially Supported Versions:

Reader: APNGReader (Source Code, Supported Metadata Fields)

Writer: APNGWriter (Source Code)

Freely Available Software:

- PNG Writer plugin for ImageJ

We currently have:

- a PNG specification document (W3C/ISO/IEC version, from 2003 November 10, in HTML)

- several PNG datasets

- public sample images

Ratings

Pixels:

Metadata:

Openness:

Presence:

Utility:

Additional Information

Bio-Formats uses the Java Image I/O API to read and write PNG files.

See also

PNG technical overview