New here? Create the account first, then the vault opens for setup. Extra passkeys can be added later from the sidebar.
whatnow
Vault setup
Proof-of-life heartbeat chart
Step 1 of 3 — make yourself the owner. Your passkey becomes the quiet lock on the door.
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Check the connection, add the people who should receive the note, then seal the message before it leaves this browser.
Advanced actions
- Last ping
- none
- Vault
- none
Vault message
Readable only in this browser until you seal it. Edit alongside recipients below, then encrypt and save when you are ready.
The service keeps a single sealed vault per account, not a history. After you save, older sealed copies are removed—copy anything you need before overwriting.
Beneficiaries
Add one recipient at a time. Choose how their copy of the vault key is sealed.
You will be asked for the actual passphrase when you seal the vault — not now. Share the passphrase with the beneficiary out-of-band (phone call, Signal, etc.).
How to generate (OpenSSL)
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Generate private key
openssl genrsa -out beneficiary-private.pem 2048 -
Export public key (paste here)
openssl rsa -in beneficiary-private.pem -pubout
The private key never leaves the beneficiary's machine.
The beneficiary exports their public key with:
gpg --armor --export their@email.comSeal vault
One action: encrypt what you typed, upload ciphertext, and refresh the recipient key map on the server.
Passphrases for password-protected recipients
Enter the passphrase you shared with each person. They stay in your browser only.
Saving replaces your current sealed vault: the previous ciphertext is deleted from storage. There is no inbox of past versions in this UI.
Read vault
Decrypt the sealed vault in your browser. Nothing is sent to the server.
The private key never leaves your browser.
Decrypted content