| Extension | WMV |
| Full Name | Windows Media Video |
| Type | Video |
| Mime Type | video/x-ms-wmv |
| Format | Binary |
A WMV file is a video storage format that Microsoft developed for use with their Windows line of operating systems. The format is designed to allow high-definition video quality while maintaining a small file size by using some clever compression techniques.
Also known as Windows Media Video files, WMV files became somewhat of a standard format for video files due to the popularity of Microsoft's operating systems. With built-in support for WMV playback also appearing on other platforms.
WMV files, although still popular and supported by a wide range of video editing applications and video players, have largely been replaced by other, more capable formats, such as MP4.
| Extension | PNG |
| Full Name | Portable Network Graphics |
| Type | Image |
| Mime Type | image/png |
| Format | Binary |
| Opens With | Paint.Net, Photoshop |
PNG files are a widely used graphics file format used in areas where high-quality images (often with transparency) are required while also retaining a small file size. They are one of the most common formats of file used for web and print mediums and are particularly useful for logos, icons, and other images where multi-level transparency is desired.
The format itself was created in the 1990's with the main aim of storing computer graphics in a high-quality format while minimizing the required storage space. The longer-term aim was to displace the GIF file format and make PNG the number one format for non-lossy, high-quality image formats on the then-burgeoning world wide web.
One of the selling points of the PNG format is its support for multiple levels of transparency, making it superior to the GIF format, which can only handle a single level of transparency. Also, like GIFs, the PNG format supports palletizing image colours down to 256 or 16 colours to help reduce the file size of the PNG.
