End-to-end encrypted dead-man's switch. Protect sensitive information and ensure it reaches the right people — automatically, securely, on your terms.
Whether it's passwords, legal documents, final messages, or business continuity — Etergis ensures nothing is lost.
Your secrets are encrypted on your device before they ever leave it. We cannot read your secret content. No one can — except the people you choose.
Set a countdown. Check in regularly to keep it running. If you stop checking in, your secrets are delivered to your chosen recipients.
Each recipient's copy of your data is encrypted to them with X25519 + AES-256-GCM and forward-secret ephemeral keys. A single recipient leak doesn't expose anyone else.
Recipients don't need an account. They receive a secure link and enter a passphrase you set. Simple, respectful, private.
Check in from anywhere. Available on web now — iOS and Android apps arriving this month. Push notifications remind you before your countdown expires.
Attach files, PDFs, images, or any document to your secrets. Everything is encrypted with the same zero-knowledge architecture.
Split your encryption keys into shares distributed across trusted recipients, with a configurable threshold required to reconstruct. No single point of failure.
Your vault passphrase derives keys via memory-hard Argon2id (m=64 MiB, t=3), making offline brute-force attacks against stolen encrypted backups economically prohibitive.
Three steps to protect what matters most.
Write messages, upload documents, set passphrases for recipients. Everything is encrypted on your device with AES-256-GCM before upload.
Choose how long your dead-man's switch runs — 24 hours to 30 days. Check in regularly via the app. One tap resets the timer.
If the countdown expires, recipients are notified with a secure link. They enter the passphrase you set and access their package. No account required.
We don't ask you to trust us. We built it so you don't have to.
Create your free account in seconds. No credit card required.
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