Directory of PNG Resources

Home > Computers > Data Formats > Graphics > 2D > PNG

Portable Network Graphics.

Resources in This Category

• APNG Edit

  https://addons.mozilla.org/firefox/addon/5519
  A firefox extension to allow the creation and editing of APNG files.

• APNG from GIF

  http://gif2apng.sourceforge.net/
  Simple command-line program to convert animated GIFs to APNGs.

• APNG Specification

  http://wiki.mozilla.org/APNG_Specification
  An extension of the PNG image format, adding support for animated images. Includes full specification including file structure and version changes.

• MSDN - AlphaImageLoader Filter

  http://msdn.microsoft.com/en-us/library/ms532969(VS.85).aspx
  Displays an image within the boundaries of the object and between the object background and content, with options to clip or resize the image. When loading a Portable Network Graphics (PNG) image, transparency from zero to 100 percent is supported.

• Open Source Graphics with PNG

  http://www.linuxtoday.com/developer/1999090902104PS
  Joe Barr discusses PNG, the new open source file format, and the Unisys/CompuServe/GIF controversy. [LinuxWorld]

• PNG

  http://www.libpng.org/pub/png/
  Information, applications, and code relating to the PNG image format.

• PNG Resources of the Miscellaneous Persuasion

  http://www.libpng.org/pub/png/pngmisc.html
  Links to images, mailing lists, test images, PNG and image compression documents, comics and websites using PNGs, the official site, and some unofficial resource sites.

• PNG Specification

  http://www.w3.org/TR/REC-png-multi.html
  The official W3C recommendation specification for PNG.

• PNG Tips for Cartoonists

  http://hackles.org/etc/png.html
  Article written to encourage cartoonists to use PNG and to share tips on exploiting PNG's strengths.

• PNG-Tech

  http://optipng.sourceforge.net/pngtech/
  A collection of comments, impressions, comparisons, experiments and ideas regarding the PNG (Portable Network Graphics) file format, and related technologies: ZLIB (Data Compression Format and Library), and MNG (Multiple-Image Network Graphics). It is focused on the compression algorithms used in PNG.

• PngCrush

  http://pmt.sourceforge.net/
  Includes various free tools to create and manipulate PNG and MNG images, including an optimizer that can reduce the size of PNG images and a converter that can import BMP files.

• Portable Network Graphics - PNG

  http://www.mywebsite.force9.co.uk/png/
  Thorough introduction to PNG image format.

• The Sad Story of PNG Gamma Correction

  https://hsivonen.fi/png-gamma/
  Explains how PNG gamma "correction" causes color mismatches with other colors on web pages.

• The Story of PNG

  http://www.libpng.org/pub/png/slashpng-1999.html
  An article detailing the history of the PNG format.

• W3C: PNG

  http://www.w3.org/Graphics/PNG/
  W3C overview of PNG. Includes browser tests to see if gamma and alpha work correctly.

Related Categories

• Home > Computers > Algorithms > Compression
• Home > Computers > Graphics > Web
• Home > Computers > Software > Graphics

Other Languages

• Japanese

 

Home > Computers > Data Formats > Graphics > 2D > PNG

 

---

 

Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us