SourceForge

PNG Reference Library: libpng

PNG Web Site

[DOWNLOAD]

This is an open source project to develop and maintain the reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files.

UPDATE 7 May 2008: The latest released versions are libpng-1.0.37 and libpng-1.2.29. [DOWNLOAD]

Libpng-1.2.27 fixes the CVE-2008-1382 vulnerability with zero-length unknown chunks. Here is the security advisory. Libpng-1.2.29 syncrhronizes the configuration files.

UPDATE 25 June 2008 The latest development versions are libpng-1.2.30beta02 and libpng-1.4.0beta19. Libpng-1.4.0 has fallen sadly out-of-date with respect to the released version. [DOWNLOAD]

The primary web site for PNG is www.libpng.org/pub/png.

The primary public ftp site for libpng is ftp://ftp.simplesystems.org/pub/png.

The ftp site for beta versions of libpng is ftp://ftp.simplesystems.org/pub/png-group/.

The current public and beta versions of libpng are available here at sourceforge.net.

There are pointers to various distributions of libpng and MD5 checksums here.

The Sourceforge project page for libpng is here.

The mailing list for libpng developers and developers of libpng-based applications is png-mng-implement (at) lists.sourceforge.net. Visit http://png-mng.sourceforge.net/pub/png/pngmisc.html#lists to subscribe. (archived here)

Bug reports can be sent to the mailing list or submitted via the SourceForge Bug tracker

Feel free to download and use the official PNG logo (size 88x31) with your application documentation and web pages:

pngbar.png pngbar.png
pngbar.jpg pngbar.jpg
Both pngbar.tar.gz
Both pngbar.zip


This site belongs to the PNG Development Group and is maintained for the group by Glenn Randers-Pehrson glennrp at users.sourceforge.net

Web space for this project is being provided by sourceforge.net