CONVERT GIF TO PNG, WMF WMZ TO PNG
GIF (Graphics Interchange Format) is a useful 8-bit-per-pixel bitmap image format created by CompuServe in 1987. Since then it has become wide used for its wide support and portability. GIF supports online drawings, pictures with blocks of solid colors, and pictures with sharp boundaries between colors. GIF is unsuitable for photographs due to its 256 distinct colors from the over 16 million representable in 24-bit RGB limitation. However, there is a hack that can overcome this limitation under certain circumstances. On the process of compressing, there is no information lost in GIF files. 

WMF (Windows Metafile) is a 16- bit graphic format appearing on MS Windows systems. It became commonly used since the wide use of graphics formats, like GIF and JPEG. Windows graphic layers GDI can execute the WMF format to store image. It contains the functions of compressing files, editing images and so on. Generally, a whole image is stored as a sequence of separated parts. The images are often rough and can be edited only in Microsoft Office.

WMZ is Compressed Windows Metafile.

The PNG (Portable Network Graphics) is a method to store images by compressing images with no loss of information. PNG files can store colors with up to 48 bits per pixel and gray scales with up to 16 bits per pixel. Moreover, it can also store an optional alpha channel for transparency. When PNG is used in the connected network, it can correct gamma and color of images automatically. So you can accurately render the images on different display devices.

To convert gif wmf wmz to png file, please download PNG Still Creator.

 

 


Other image format definition:

CGM, short for Computer Graphic Metafile, is an internationally standardized file format used by many organizations including BSI and ANSI. It contains information about both vector and bitmap and it is still popular in engineering, aviation, and other technical applications. CGM format could accumulate a wide range of graphical information and geometric primitives as a metafile. But it still has largely been replaced by formats such as SVG and DXF.

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