Streamlined JPEG XL images could cut global data use by 30 per cent

By Matthew Sparkes

Improvements to the ubiquitous JPEG image format used across the internet will bring global bandwidth savings of 30 per cent, say the creators of the new technology who have given it away royalty free.

The JPEG format allows photographs to be compressed so that they can be stored using less data. It kickstarted the proliferation of images across the internet, although the technology behind it dates back to work done in the 1980s. An updated version …