If you have an android phone you likely do as it backs them up at full res (if camera is 16m or below) for free. Even installed on my iOS devices - as since it is free, then why not.
And google has phenomenal downsizing capabilities for the free unlimited storage. I backup my DSLR photos on Google Photos and I can print 5x8" without any noticeable loss in quality. Here are some examples a user posted to Reddit 2 years ago.