Send files directly, device to device

PeerFlow moves your file straight from one device to the other. Nothing is uploaded to a server first, so there is no waiting for an upload to finish, no size limit set by cloud storage, and no copy left behind when you are done.

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How a direct transfer works

Pick your files and PeerFlow gives you a 6-character code and a QR code. The other person opens the link or scans the code, and the two browsers connect to each other with WebRTC — the same technology behind video calls in your browser.

Our server only introduces the two devices. Once they are connected, every byte of the file travels on the direct connection, encrypted with DTLS.

  • No account and no app needed to send or receive
  • Several files at once, and several receivers at once
  • Each finished file downloads automatically on the receiving side

Full speed on the same Wi-Fi or hotspot

When both devices are on the same network — home Wi-Fi, office LAN or one phone’s hotspot — PeerFlow finds the local route and the file never touches the internet at all. That is usually many times faster than any upload-and-download service.

Nearby mode goes further: it only connects over the local network, which is handy on a slow or metered connection.

Private by design

Because nothing is stored online, there is nothing to leak later. Close the tab and the transfer is gone. When a direct path is impossible (some strict corporate or mobile networks), file transfers can use an encrypted relay that cannot read the data.

Common questions

There is no limit set by PeerFlow: the file goes straight to the other device, so the practical limit is the receiving device’s free space and the browser’s memory.