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| Name | EXR |
| Full name | EXR, OpenEXR Image |
| File extension | .exr |
| MIME type | |
| Developed by | Industrial Light & Magic |
| Type of format | Raster image |
| Description | Files with the EXR extension are raster images saved in a special format. The OpenEXR format is a high dynamic range image file format, similar to the HDR raster image format. This format is used to store images in high quality with a great color and luminance range. The EXR format is used and supported by many photo editing programs and other graphic editing applications. |
| Technical details | The binary EXR file supports lossy as well as lossless compression, offering a compression methods suitable depending on the grain in a picture. It supports multiple layers as well as a pixel rate of 16-bit and 32-bit. The EXR format was released as an open standard file format. This allows for wide support of the format using open source and free license software. |
| Associated programs | Adobe After Effects (plugin needed, Windows & Mac), Adobe Photoshop (plugin needed, Windows & Mac), Adobe SpeedGrade (Windows & Mac), MacPhun ColorStrokes (Mac), Serif PhotoPlus (Windows) |
| Wiki | https://en.wikipedia.org/wiki/OpenEXR |