The WebP format image onto the Chrome browser tab bar (browser supports viewing is yes, but also Google's own), this time the picture is able to properly view the page. We select the right picture, select "Copy Image."
Open macOS system comes with the "Preview" tool, click on the menu bar "File", select "New from Clipboard", this time the picture is displayed in the window "Preview" tool up.
The rest is to save or copy paste into other software.
Reference: https: //fengooge.blogspot.com/2018/08/convert-WebP-format-image-to-png-or-jpg.html