How it works
No internet required. No server. Just two devices.
1
Sender picks a file
Tap the Send tab and pick any file. An offer code is generated instantly.
2
Share the offer code
Copy the offer code and send it to the receiver via WhatsApp, SMS, or any chat.
3
Receiver generates answer
Receiver opens the Receive tab, pastes the offer code, and gets an answer code.
4
Sender pastes answer code
Sender pastes the answer code. A direct P2P connection is established.
5
File transfers
The file moves directly between devices. Nothing touches any server.
Technical details
- check_circleWebRTC DataChannel — peer-to-peer, encrypted by default
- check_circleManual SDP exchange — no signalling server needed
- check_circleWorks on same WiFi, hotspot, or local network
- check_circleFiles never leave your device until the receiver connects
- check_circlePractical limit ~500 MB (device RAM dependent)