Convert icb to exr

What is the difference between .icb and .exr?

Description: The ICB file format, standing for Targa ICB Bitmap Image, is a type of image file associated with the Targa (Truevision Advanced Raster Graphics Adapter) image format. Targa files, including ICB, are known for their versatility in handling various types of digital images, including color, grayscale, and monochrome. The ICB variant is part of a broader family of Targa formats, which are often used in professional environments for digital video editing, animation, and graphic design.; Raster image stored in the OpenEXR format, a high dynamic-range (HDR) image file format developed by Industrial Light & Magic; supports multi-layer images, lossy and lossless compression, and 16-bit and 32-bit pixels; used for storing deep raster images for high-quality graphics; used by raster graphics editing programs and imaging applications.