libjxl is a free utility designed for Windows that serves as a reference implementation of the JPEG XL image format. This software library provides both encoding and decoding functionalities, making it a versatile tool for developers looking to integrate JPEG XL support into their applications. With its robust features, libjxl is suitable for various use cases, including image processing and storage optimization.

As a library, libjxl is utilized by multiple applications that require JPEG XL capabilities, ensuring compatibility with ISO/IEC standards. The software supports a range of related formats and tools, such as CJXL, DJXL, OpenEXR, and NetPBM. This makes libjxl an essential resource for developers aiming to enhance their image handling processes with advanced JPEG XL features.