avoid all the wires necessary to download to my tablet/computer (Surface Pro 4).
Wires?
I move photos (and all other types of files) to my tablet/computers all the time, with no cables.
They're all networked, all Linux, all on the same Wi-Fi network. Accessing their storage from my phone--including internal and external hard drives--is no different than accessing my phone's storage.
If you can't, or don't want to, do that,
@Dannydet's suggestion to use Google Photos is a good option.
Or you can use other cloud storage, such as Dropbox (which I use for off-site backups), which, like Google Photos, gives you access to your files from any device.
Seriously, though, nothing beats networking, in my opinion. Network your computer(s) and you're good to go! Move or copy files/directories from one device to another effortlessly.