What is the PNG image format?
The format of a portable network graphics file, commonly referred to as PNG, is a image format similar to the popular GIF format. It is declared either as the word "ping" or, more often, explained as "P-N-G". GIF pictures were ubiquitous at the beginning of the 90s. After the debut of Compuser in 1987 in 1987, they expanded throughout the debut of Compuser for profit for profit for profit. PNG has been developed as an alternative without license fees to GIF soon after this notice. In 2003, the American patent was expired to the GIF image format, so in addition to the now horizon advantage of being single, it also has an image format of image, it also has a number of technical advantages over GIF format.
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images stored in the image format pngtially have a much higher color depth than their GIF- counterparts, and while GIF limits its palette to 256 colors, PNG can be the real color. This allows for much higher image loyalty than GIF capable, allowing images at the same level as their JPEG cousins.
PNG images are also smaller than their GIF counterparts, although a higher color depth often leads to larger files and a misconception that PNG is a larger format. In fact, if one forces PNG to save in 256 colors, the file will almost always be smaller than the GIF set of the same quality.
PNG image format also allows the alpha channel and provides transparency options that are not available in any other common image format. Unfortunately, this transparency is not supported by Internet Explorer, so it will limit its use as a web tool.
It should be noted that, unlike GIF format, the NG image does not support animation. There are related formats (APNG and MNG) that process animation in a similar way to the GIF format.
PNG image format has a strong core, even in the absence of patent questions to support its existence. Suffered due to lack of fullBut Internet Explorer support continues to offer a robust alternative to two more common GIF and JPEG image formats. With mainstream graphics programs such as fireworks and Photoshop, they offer strong support for PNG image, along with its easily apparent technical superiority of GIF format, it is likely that PNG's popularity is merely increased.