Here's how you can share data without using a USB...
Cloud Technique
This is one of the most commonly used and knows the method to upload data from one device and download to another.
Also read: Some Useful PC Tricks you should know...
Using Android App
Very simple software that can be downloaded on PC and Android both and help to share data with just Qr Code.
Online Website
You must try this online website justbeamit.Com. You don't need to upload and download, it simply generates a link and lets you download.
Also read: Does a VPN Protect you from Hackers?