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JPG to JXL
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JPG (or JPEG) is one of the most widely used image file formats, favored for its efficient lossy compression algorithm that significantly reduces file size while maintaining a high image quality. It is commonly used for photographs and web graphics; however, the lossy nature of its compression means that some image quality is sacrificed, and this loss can be exacerbated with repeated editing and saving. JPG files support 24-bit color, allowing for a broad spectrum of colors, but they do not support transparent backgrounds.

JXL stands for JPEG XL, a next-generation image coding standard developed by the Joint Photographic Experts Group (JPEG). JPEG XL is designed to provide efficient compression for both lossless and lossy image storage, offering high image quality at lower file sizes compared to previous standards. It supports a wide range of features including high dynamic range, wide color gamut, and progressive decoding, making it suitable for use in various applications from web graphics to professional photography. Despite its advantages, as a newer standard, JPEG XL may not yet have widespread support across all platforms and software.