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The File Extension Library

What is a file extension?

Short answer: it's the set of letters after the period (.) in the name of a file.

Long answer: File extensions signify the file format of a file. It tells the operating system (OS) how data was stored in the file. Not all OS, require a file extension though. For instance, this is optional in Unix, but is mandatory with MS-DOS and Windows systems.

In most file formats the file type is actually defined by the contents (first bytes, file structure), but extensions are used to define the application that is used for opening the file.

Below is a detailed database of thousands of file extensions our team has compiled for you. Feel free to browse!


Browse all Extensions:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
YUV - Extension Details
Date Added: April 09, 2008
File Extension:  .YUV
Description 1: .YUV is the file extension used for video files that are encoded in the YUV format. The YUV image file stores colors in the Y, U and V values, with Y for brightness, and U and V for color components. A sequence of YUV images are stored by these files as a single video file. They can be saved in YUV 4:4:4, 4:2:2 and 4:2:0 formats. MPEG4 as well as H.264 decoders are able to decode a number of YUV video files.
Description 2: YUV Encoded Image files bear the .YUV extension. In this image format, colors are stored as Y, U and V values. Y stores the brightness or luminance while U and V store the color or chrominance components. Image color info is stored more accurately using the .YUV format than the usual RGB format.
File Type:   Image file
Mode: Binary
Program(s) to Open:  Mac and Windows: XnView Unix: YUV Viewer
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