TeamsCrypt is a browser extension that adds end-to-end encrypted chat to Microsoft Teams. Your messages stay private—only you and your classmates can read them. No accounts, no configuration, just install and chat securely.
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Simple, secure, and seamless. Everything you need to keep your conversations private.
Messages are encrypted on your device before sending. Only the recipient can decrypt them.
Install the extension and start chatting. No accounts, no configuration, no hassle.
Encryption keys never leave your browser. Not even we can read your messages.
Create encrypted group conversations with your classmates and study groups.
We don't store, track, or analyze your messages. Complete privacy by design.
Seamlessly integrated into Microsoft Teams. No separate app needed.
Built with modern encryption standards to protect your privacy
Industrial strength protection
We simply cannot see your data
Get started in three simple steps
Click the download button to get the latest TeamsCrypt release from GitHub.
Extract the ZIP file, open your browser's extension settings, enable developer mode, and load the unpacked extension.
Open Microsoft Teams in your browser. The extension activates automatically. Look for the encryption indicator next to your chats.