When was PNG created?

The original specification for PNG, version 1.0, was developed by the independent PNG development group and released under the auspices of the World Wide Web Consortium (W3C) on 1 October 1996 as its first Recommendation. On 15 January 1997 it was released by the IETF as RFC 2083.

Who was PNG created by?

The story of PNG actually begins way back in 1977 and 1978 when two Israeli researchers, Jacob Ziv and Abraham Lempel, first published a pair of papers on a new class of lossless data compression algorithms, now collectively referred to as “LZ77” and “LZ78.” Some years later, in 1983, Terry Welch of Sperry (which later …

What is PNG commonly used for?

A PNG file is an image saved in the Portable Network Graphic (PNG) format, commonly used to store web graphics, digital photographs, and images with transparent backgrounds.

What PNG means?

PNG is a popular bitmap image format on the Internet. It is short for “Portable Graphics Format”. This format was created as an alternative of Graphics Interchange Format (GIF). PNG files don’t have any copyright limitations.

Why is it called PNG?

PNG was developed as an improved, non-patented replacement for Graphics Interchange Format (GIF) — unofficially, the initials PNG stood for the recursive acronym “PNG’s not GIF”.

Is PNG free or license?

Today PNG is one of the most popular raster formats on the Internet. In 1995 during Usenet conference it was suggested to develop this format as an alternative to the popular GIF format, that requires a license. … Thus PNG emerged, which unofficially stands for “PNG IS NOT A GIF”.

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Why was PNG created?

The PNG format was originally designed as an open standard to replace GIF_89a for use on the Internet, but is not limited to that use. May be an initial-state or middle-state format; more often used as final-state format.

Is PNG transparent?

An important benefit, and oftentimes deciding factor for using a PNG file, is that–unlike a JPG–they support transparency. This allows you to have a transparent background around an irregular-shaped object and avoid a white (or other colored) box outlining your image.

What is PNG in gaming?

PNG (Portable Network Graphics) is a file format used for lossless image compression. PNG has almost entirely replaced the Graphics Interchange Format (GIF) that was widely used in the past.