A plain-language overview of what happens behind the scenes when you share a file.
Floe uses a technology called WebRTC to send your files directly from one browser to another. Think of it like handing a USB drive to someone. It happens over the internet, in real time. In most cases, no one else is in the middle.
In some network situations, a secure relay server acts as a bridge. Either way, your files are end-to-end encrypted and never stored on any server.
Direct Connection
FastestFiles travel straight from your device to the recipient. No server sits in between. Speed is limited only by your internet connection.
Relay Connection
Via TURN ServerUsed on strict corporate firewalls or carrier-grade NAT networks where a direct path cannot be found. Floe falls back automatically.
Every connection, direct or relayed, is encrypted with DTLS built into WebRTC. Even the relay server cannot read your files.
The Floe documentation covers signaling, ICE and NAT traversal, DTLS encryption, and the binary transfer protocol in depth.
Read the full technical breakdown