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Messages are encrypted end-to-end in this browser. The server only sees ciphertext — never content, never timestamps, never who you're talking to.
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Welcome to Offline
A messenger that runs entirely in your browser. Before you start, we'll generate cryptographic keys on your device.
- Keys never leave your browser
- Messages encrypted end-to-end
- Server only sees ciphertext
- No account · No phone · No email
- Anyone with your ID can message you