Independent JPEG Group IJG is an informal group that writes and distributes widely used free library for JPEG image compression. The first version was released on 7-Oct-1991_ The current version is release 9d of 12-Jan-2020. This is stable and solid foundation for many application's JPEG support: You can find our original code and some supporting documentation in the directory files; There is Windows format package in zip archive format jpegs9dzip and Unix format package in tar:gz archive format jpegsTcv9djaLgz: A collection of modified versions with adaptions and error fixes for system maintenance is available on jpegclub.org in the directory support: To learn more about how to use JPEG see the JPEG EAQ: If you'd like to learn about how JPEG works_ start with the comp compression FAQ. IJG is not affiliated with the ISO/IEC JTCLSC29 WGL standards committee (previously known as JPEG, together with ITU-T SG16). IJG development continues Advanced features are being prepared for coming releases_ The development site for new versions is the JPEG Reference site_