I do scanning to PDF just with Google Drive on my phone. You can also buy (or DIY) a scanning box like this guy: https://smile.amazon.com/Scanner-Bin-Document-S

I do scanning to PDF just with Google Drive on my phone. You can also buy (or DIY) a scanning box like this guy: https://smile.amazon.com/Scanner-Bin-Document-Scanning-Solution/dp/B00XM7LKZM?sa-no-redirect=1 https://smile.amazon.com/Scanner-Bin-Document-Scanning-Solut... I've seen models that also have LED strips for even lighting. What I haven't seen is a gadget that can feed multiple sheets easily.