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| Name | WMF | BMP |
| Full name | Windows Metafile | BMP - Microsoft Windows bitmap |
| File extension | .wmf | .bmp, .dib |
| MIME type | application/x-msmetafile, application/wmf, application/x-wmf, image/wmf, image/x-wmf, image/x-win-metafile, zz-application/zz-winassoc-wmf | image/bmp, image/x-bmp |
| Developed by | Microsoft | Microsoft |
| Type of format | Image File | Raster graphics |
| Description | Developed by Microsoft, the .wmf format is a proprietary graphics file type. WMF was first designed to act as a format that allowed vector graphics to be converted to bitmap images and vice versa. The WMF acted as a bridge file, enabling compatibility between the two formats. As new platform independent image formats such as JPEG were developed the need for bridging files such as WMF was removed. The most well known use of the file type is for the early incarnations of clip art that were bundled with Microsoft Office. | The BMP file format, also known as bitmap image file or device independent bitmap (DIB) file format or simply a bitmap, is a raster graphics image file format used to store bitmap digital images, independently of the display device, especially on Microsoft Windows and OS/2 operating systems. |
| Technical details | A .wmf file may contain both vector graphics and bitmap images to enable portability between two incompatible platforms. The file contains a list of instructions that allows the graphics device to understand how to render the file. It is a 16 bit file. | The bitmap image file consists of fixed-size structures as well as variable-size structures appearing in a predetermined sequence. Many different versions of some of these structures can appear in the file, due to the long evolution of this file format. |
| Associated programs | Microsoft Publisher, Microsoft Word, QuarkXPress | Microsoft Paint, Adobe Photoshop, Paint Shop Pro, the GIMP, GraphicConverter, Helicon Filter, ImageMagick, Inkscape, IrfanView, Pixel image editor, Paint.NET. |
| Wiki | http://en.wikipedia.org/wiki/Windows_Metafile | https://en.wikipedia.org/wiki/BMP_file_format |