Paste a password, a token, or a note, and get back a link that works exactly once. The text is encrypted in your browser before it is sent, and the key stays in the part of the link after the # symbol, which browsers never transmit. svc.nz stores bytes it cannot read.
Compose
What should the recipient see?
Ready to send
Your one-time link
Send this over any channel you like. The part after the # never reaches a server, so svc.nz cannot read the secret and neither can anyone reading its logs. The first person to open the link is the only person who ever will.