A direct line between two browsers. No account, no server relaying your messages, no third party holding a key. Connection details and encryption keys pass hand-to-hand — you copy them to the other person yourself.
Peer to peerECDH · AES-256-GCMNothing stored
1
Choose who starts
One of you opens the line, the other joins it. Doesn't matter who.
2
Send this to the other person
Contains your connection info and your public key. Safe to send in plain text — it can't be used to decrypt anything by itself.
waiting
3
Paste their reply
Once they send back their reply blob, paste it here.
not connected
2
Paste their invite
Paste the blob the other person sent you.
3
Send this back
Send this reply to them. Once they accept it, the line connects.
waiting for them to connect
4
Check the pattern matches
This grid is generated from your shared key. Read it aloud, or glance at it together — if it matches on both screens, no one is in the middle.