Photos Direct Link is a Google Chrome extension, that allow you to copy a direct link, with extension (.jpg), from Google Photos (https://photos.google.com or https://get.google.com/albumarchive).
Google Photos doesn't allow to get an image direct link (with image extension [like png or jpg]).
This Chrome extension is very helpful to post images in forums or blogs, that the file extension is mandatory.
Is possible to configure the desired image size too.
Usage instructions:
Open an image and just click (left click) over the image. An message is shown at the page bottom.
Link to extension: https://chrome.google.com/webstore/detail/google-photos-direct-link/dgnaaplaoheafdckphgmpiaodckbcafg
Using https://photos.google.com, some links turns invalid after some time.
Using https://get.google.com/albumarchive, the links doesn't stop working.
Under MIT license