Convert 3fr to icb

What is the difference between .3fr and .icb?

Description: Digital photo captured by a Hasselblad digital camera; saves the photo in a RAW format as captured directly by the digital camera's CCD; used for saving photos natively before applying touch-ups, such as white balance or color corrections.; 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.