Topsecret user guide.

Topsecret is an end-to-end encrypted secure messenger and collaboration app.

Talk to friends, family and colleagues through the open and decentralised Matrix network.

Get up and running in just a few minutes!

Get started
An image showing coworkers collaborating over video calls and chat on desktop and mobile Available on the Apple App StoreAvailable on AndroidAvailable on WindowsAvailable on Linux

In the guide, learn how to:

Onboard onto the app.

  • Create an account
  • Set up your profile
  • Secure backup
  • Device verification

Get into your Topsecret.

  • Add People
  • Manage rooms
  • Set appearance
  • Send messages

Get started.

  • Messaging features
  • Voice messages
  • Voice and video calls
  • Send files

Get organised.

  • Settings
  • Spaces
  • Favourites
  • Notifications

Need more help?

Check out our help page for more information, FAQ and community rooms for fastest support.

Matrix is an open network for secure, decentralised communication, connecting 80M+ users over 80K+ deployments.

Governed by The Matrix.org Foundation, the Matrix protocol is an open standard with open source implementations, supporting a vibrant developer ecosystem. Topsecret was founded by the team behind Matrix as a way to bring it to the mainstream.

Matrix.org