`You need to send a 4 GB video file to a designer on the other side of the office. What do you do?
If you're like most people, you fire up WeTransfer, Dropbox, or Google Drive. You wait for the upload. They wait for the download. The file sits on someone else's server for 7 days, then it's gone. And if your file is over 2 GB, some of those services just say no.
There's a better way: send the file directly from your browser to theirs, with zero bytes touching a server.
How WebRTC File Transfers Actually Work
WebRTC (Web Real-Time Communication) is the same technology that powers video calls in Zoom, Google Meet, and Discord. But it also handles arbitrary data — including large files — through its RTCDataChannel API.
