Chat from your desktop with Threema Web and have full access to all chats, contacts and media files.
Threema Web
Complete synchronization
By scanning a QR code, desktop and mobile device are connected at once, and all conversations are fully accessible on the desktop.
Security and data restraint
All communication between phone and PC is fully end-to-end encrypted. After the session is terminated, all synchronized messages are immediately deleted in the browser.
Open Source
Threema Web is Open Source and uses open standards. It’s also possible to host Threema Web on your own server.

How to use Threema Web

  1. On your desktop computer, open web.threema.ch with a supported browser.
  2. In the Threema app, select “Threema Web” and activate the scanner:
    • Android: Side drawer > “Threema Web” > plus sign
    • iOS: “Settings” > “Threema Web” > camera icon in the top right corner
  3. Use your mobile device to scan the QR code displayed on web.threema.ch.
Hint: To avoid having to scan the QR code each time you use Threema Web, you can set a session password in the browser before scanning.

Important Notes

  • Please make sure you are using the latest version of Threema for Android or Threema for iOS. Threema for Windows Phone is not supported.
  • Threema Web might increase power consumption while it is active. You can enable or disable it at any time.
  • If you use Threema for Android, you need the Threema QR Scanner Plugin or another QR code scanner app to scan the QR code displayed on web.threema.ch.