Any channel works — chat, mail, note app. The link carries only a connection descriptor; your files never travel through it.
SCAN FROM PHONE — TAP TO ENLARGE
Paste it back to whoever sent you the link. The tunnel opens the moment they drop it in.
OR LET THEM SCAN THIS — TAP TO ENLARGE
NOTHING BEAMED YET
Direct peer link over your local network — no STUN, no TURN, no relay, nothing stored anywhere. Everything lives in memory and dies with the tab. Some corporate Wi-Fi enables AP/client isolation or blocks mDNS, which severs any direct link; a personal hotspot sidesteps both.