Create a one-time secret.
A password, an API key, a sensitive note. Encrypted here, in your browser, before it leaves this page.
Your link is ready.
Share this complete link with the person who needs the secret. Anyone who has it can reveal the message once.
The part after # is the decryption key. Keep it in the link; we cannot recover it.
Create another secretPreparing browser encryption…
Encrypted before sending. The server stores ciphertext. The key stays in the link fragment.
One reveal. Reading removes the stored copy. Share the link through a trusted channel.