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XCF to SIXEL
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XCF (eXperimental Computing Facility) is the native image format of the GIMP (GNU Image Manipulation Program) software. It is a layered image format, allowing users to save their progress, layers, channels, paths, and text layers for further editing. While XCF retains all editing data and layers, it's not typically used for web or print because many other programs do not recognize it. Instead, it's primarily used to save intermediate stages of digital art or photo editing within GIMP.

SIXEL is a bitmap graphics format that uses six pixels per character cell to represent images, primarily developed for DEC (Digital Equipment Corporation) terminals in the 1980s. It allows for the display of images directly in terminal emulators that support the SIXEL standard, making it possible to visualize graphics in command-line environments without relying on external graphics programs.