This a simple file sender in local web (You can aslo emulate local web with free stuff like a RadminVPN):

** Choose way you want: "send" or "recieve" **

<- Recieve:

 1. Give you local ip to a friend
 2. Just wait

-> Send:

 1. Take friends LOCAL ip and write to IP-textbox 
 2. Choose file from your computer
 3. Press "Send"

DONT CLOSE APPLICATION WHILE FILE DOWNLOADING!!! THIS WILL LEAD TO THE COLLAPSE OF UNIVERSE!*

small joke. restart all