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Portable Network Graphics
(redirected from Png file)

    Also found in: Wikipedia 0.01 sec.
(file format)Portable Network Graphics - /ping/ (PNG) An extensible file format for the lossless, portable, well-compressed storage of raster images. PNG provides a patent-free replacement for GIF and can also replace many common uses of TIFF. Indexed-colour, greyscale and truecolour images are supported, plus an optional alpha channel. Sample depths range from 1 to 16 bits.

PNG is designed for on-line viewing applications, such as the World Wide Web, so it is fully streamable with a progressive display option. PNG is robust, providing both full file integrity checking and simple detection of common transmission errors. Also, PNG can store gamma correction and chromaticity data for improved colour matching on heterogeneous platforms.

Filename extension: .png.

RFC 2083. W3C PNG pages. PNG home page.
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By selecting your jpg, gif, and png files, you are insuring that they won''t be lost or damaged before you are ready to use them again.
MySpace Image Hosting for Dummies by Nathan Martyn / Computers and Internet community
PNG uses a more efficient compression algorithm than GIF, making PNG files typically faster loading than GIFs.
Creating Web sites for Web surfers by Goldsborough, Reid / Mushroom News
This feature lets you grab all the GIF, JPEG and PNG files off a Web site at one time.
Two outstanding screen capture tools by Pugh, R. Wayne / Valuation Insights & Perspectives
 
 
 
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