How to share a file with a QR code

TL;DR
To share a file with a QR code, open Shafle, choose Send File, and pick your file. Shafle generates a QR code that encodes a private share link. The other person scans it with their phone camera and the file transfers directly between the two browsers — nothing is uploaded to a server.

A QR code is the fastest way to hand a file to someone sitting next to you: no typing a code, no spelling out a link. Shafle turns every share into a QR code automatically, so the receiver just points their camera and taps.

How QR file sharing works

When you start a send, Shafle creates a short connection code and encodes a link containing it into a QR image. Scanning the QR opens Shafle on the other device with the code already filled in, which starts the peer-to-peer connection. The QR only carries the connection code — not the file. The file itself streams directly between the two browsers once they’re linked.

Steps

  1. Open Shafle, choose Send File, and select your file.
  2. A QR code appears alongside the share code.
  3. The other person opens their camera app (or any QR scanner) and points it at the code.
  4. Their browser opens Shafle ready to receive; they accept and it transfers.
The QR encodes a one-time connection code, not your file. Even if someone photographs the code, the transfer still happens directly between the two browsers — and once the transfer is done the code is useless.

When QR sharing is the right choice

  • In person — handing a file to someone across a table or desk.
  • Phone to computer— scanning a laptop’s screen with your phone is quicker than typing. See phone-to-laptop transfers.
  • No typing — avoids dictating a code over a call.

If the other person isn’t nearby, you can skip the QR entirely and just send them the short code or link instead.

Frequently asked questions

How do I share a file using a QR code?

Open Shafle, choose Send File, and pick your file. Shafle generates a QR code; the other person scans it with their phone camera, and the file transfers directly between the two browsers.

Does the QR code contain my file?

No. The QR code only encodes a short one-time connection code. The file itself never goes into the QR — it streams directly between the two devices after they connect.

What scans the QR code?

Any QR scanner works, including the built-in camera app on most phones. Scanning opens Shafle with the share code already filled in.

Is QR file sharing safe?

Yes. The code is single-use for one connection, and the file transfers over an encrypted peer-to-peer channel that is never stored on a server.

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Last updated: July 5, 2026