PNG is a file format used especially for images. It is a free file format, meaning that it can be used by everyone in any way he wants it without paying any royalties to anyone. But this is not the main advantage of PNG, I would even call it a minor advantage, as the end-users do not quite feel it.
The PNG format was intended to be a replacement for the older PNG format and, in some ways, to the TIFF format. It's mainly used in two areas: World Wide Web and image-editing.
On the Web, PNG is much better that GIF. It has included
This material is intended to inform the simple users about the features of the PNG format. So, it will pass over some details like for example the freedom from patents, as this has no connection to the end-user, being more of a concern for the developers.
The PNG format was intended to be used like a substitute for the GIF and TIFF formats. So, it was created with two main ways of usage in view:
World Wide Web
Image editing
PNG can be widely used for the web, having several advantages over the GIF format: the possibility of
Scalable Vector Graphics (SVG) is a format of graphic that can be generated on the fly by using the data extracted from XML files or a database. Creating images on the fly in the other formats like GIF, JPEG, and BMP are not easy since they cannot be created dynamically by extracting data from the data file. Moreover if you view images from these formats at 200% or 300% of the actual size you will not see the images clearly and you will be seeing granular forms of the areas in the images. You need external tools like Paintbrush, Photoshop, and Fireworks
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