Official (beta) data saver extension from Google itself: https://chrome.google.com/webstore/detail/data-saver-beta/pfmgfdlgomnbgkofeojodiodmgpgmkac https://chro

Official (beta) data saver extension from Google itself: https://chrome.google.com/webstore/detail/data-saver-beta/pfmgfdlgomnbgkofeojodiodmgpgmkac https://chrome.google.com/webstore/detail/data-saver-beta/pf... Google Proxy is built in desktop Chrome for a while, this extension just enables it (and show some statistics). Interestingly, this extension is the only one Chrome allows to use the API (dataReductionProxy permission on manifest).