Portable Network Graphics.
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The official W3C recommendation specification for PNG.
Simple command-line program to convert animated GIFs to APNGs.
An extension of the PNG image format, adding support for animated images. Includes full specification including file structure and version changes.
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.
Information, applications, and code relating to the PNG image format.
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.
Article written to encourage cartoonists to use PNG and to share tips on exploiting PNG's strengths.
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.
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.
Thorough introduction to PNG image format.
Explains how PNG gamma "correction" causes color mismatches with other colors on web pages.
W3C overview of PNG. Includes browser tests to see if gamma and alpha work correctly.
An article detailing the history of the PNG format.
(February 27, 1999)
The official W3C recommendation specification for PNG.
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.
Explains how PNG gamma "correction" causes color mismatches with other colors on web pages.
Article written to encourage cartoonists to use PNG and to share tips on exploiting PNG's strengths.
Simple command-line program to convert animated GIFs to APNGs.
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.
W3C overview of PNG. Includes browser tests to see if gamma and alpha work correctly.
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.
An extension of the PNG image format, adding support for animated images. Includes full specification including file structure and version changes.
Information, applications, and code relating to the PNG image format.
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.
Thorough introduction to PNG image format.
An article detailing the history of the PNG format.
(February 27, 1999)
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- Recently edited by shedragon
- Recently edited by shedragon