Finally, Chrome now allows you to scale documents. Scaling pages before printing from within the Print Preview isn’t possible in Google Chrome browser till version 56, Chrome users need to switch to Firefox or Internet Explorer for this temporarily, which no longer required now as the latest Chrome 56 stable released few days back has got scaling option in Preview window.
Chrome 56 adds scaling option to Print Preview
Sometime back, Chromium team has added Print Scaling flag to test the feature, in version 56, they’ve enabled it by default.
If you’re in a hurry to see it now, click on Chrome menu, select Print, click on More Settings. You can adjust the scaling for web pages or PDFs containing both text and images, to make them look larger or smaller.