Icon of Threema Web app on Umbrel App Store

Threema Web

An intuitive and secure web client for Threema users

Threema GmbH

Open the App Store on your umbrelOS home server to install this app
Screenshot 1 of Threema Web app on Umbrel App Store
Screenshot 2 of Threema Web app on Umbrel App Store
Screenshot 3 of Threema Web app on Umbrel App Store
About this app

📱 Threema Web is a secure and convenient way to use the Threema messaging app directly from a web browser while maintaining full end-to-end encryption. By scanning a QR code with the Threema app, users establish a direct connection between their smartphone and computer, ensuring that no messages or metadata are stored on external servers. The communication is handled via WebRTC, which enables a private and encrypted peer-to-peer connection. With Threema Web, users can send and receive messages, share images and files, and manage conversations with the comfort of a full-sized keyboard and larger screen. Since all data remains on the user’s devices and is never uploaded to the cloud, Threema Web offers a high level of privacy and security. This makes it an ideal solution for those who want a seamless messaging experience across devices without sacrificing confidentiality.

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