Live demo · No signup
Try it yourself
A Dead Man's Switch sends your message only if you stop checking in. It normally triggers after a period you set yourself with no check-in — in this demo, that's compressed to 20 seconds.
Nothing you type is stored, and no real email is ever sent.
Your switch
Their inbox
📭
Nothing arrives while you're active.
Stop checking in to see what happens.
This is how your words reach the people who matter.
In the real service, every message is encrypted at rest and protected by email verification and two-factor authentication.
🚀 Get started freeNo credit card required.