If you often move files from the terminal, you have probably heard of tools like croc , Magic Wormhole, portal, or sendme. They all solve the same basic problem: getting a file from one machine to another. Most file transfer tools fall into two broad categories: P2P transfer tools These try to connect the sender and receiver directly. When a direct path is not available, some of them fall back to…
TL;DR: I built a P2P file transfer tool that runs entirely in the browser. No install, no server relay, no account. Here's what I learned about WebRTC data channels, resumable transfers, and the browser storage mess along the way. Most file transfer tools follow the same pattern: upload to a server, get a link, the recipient downloads from that server. Your file sits on someone else's infrastruct…
